{"formatVersion":"1.1","id":"https://mentalhealth-v2.workspace-454808.chatgpt.site/answers/bipolar-sister-narcissist-boyfriend","path":"/answers/bipolar-sister-narcissist-boyfriend","url":"https://mentalhealth-v2.workspace-454808.chatgpt.site/answers/bipolar-sister-narcissist-boyfriend","title":"How could my sister steal my boyfriend?","family":"Answers detail","description":"A woman feels deeply betrayed after housing and financially helping her sister, who then began a relationship with her boyfriend.","language":"en-US","access":{"audience":"custom-shared-preview","indexable":true},"provenance":{"sourceUrl":"https://www.mentalhealth.com/answers/bipolar-sister-narcissist-boyfriend","wordpressId":"6065","contentCompleteness":"complete","dateScope":"original-source"},"authors":[{"@type":"Person","@id":"https://mentalhealth-v2.workspace-454808.chatgpt.site/people/allan-schwartz#person","name":"Allan Schwartz, Ph.D.","url":"https://mentalhealth-v2.workspace-454808.chatgpt.site/people/allan-schwartz"}],"reviewer":{"@type":"Person","@id":"https://mentalhealth-v2.workspace-454808.chatgpt.site/people/jesse-hanson#person","name":"Jesse Hanson, Ph.D.","url":"https://mentalhealth-v2.workspace-454808.chatgpt.site/people/jesse-hanson"},"dates":{"datePublished":"2025-06-19T15:01:52Z","dateModified":"2025-08-20T08:22:07Z","lastReviewed":"2025-09-15"},"content":{"html":"<nav class=\"breadcrumbs\" aria-label=\"Breadcrumb\"><ol><li><a href=\"https://mentalhealth-v2.workspace-454808.chatgpt.site/\">Home</a></li><li><a href=\"https://mentalhealth-v2.workspace-454808.chatgpt.site/answers\">Answers</a></li><li><span aria-current=\"page\">How could my sister steal my boyfriend?</span></li></ol></nav><div class=\"article-page answer-page\" data-answer-template=\"conversation\"><header class=\"answer-heading article-heading\"><a class=\"answer-back\" href=\"https://mentalhealth-v2.workspace-454808.chatgpt.site/answers\">Answers</a><h1>How could my sister steal my boyfriend?</h1><div class=\"answer-credits\"><a class=\"answer-credit-person\" href=\"https://mentalhealth-v2.workspace-454808.chatgpt.site/people/allan-schwartz\"><img src=\"https://mentalhealth-v2.workspace-454808.chatgpt.site/assets/wordpress/9429.jpg\" alt=\"\" width=\"40\" height=\"40\" loading=\"lazy\"><span><span class=\"answer-credit-role\">Written by</span><span class=\"answer-credit-name\">Allan Schwartz, Ph.D.</span></span></a><a class=\"answer-credit-person\" href=\"https://mentalhealth-v2.workspace-454808.chatgpt.site/people/jesse-hanson\"><img src=\"https://mentalhealth-v2.workspace-454808.chatgpt.site/assets/wordpress/9210.jpg\" alt=\"\" width=\"40\" height=\"40\" loading=\"lazy\"><span><span class=\"answer-credit-role\">Medically reviewed by</span><span class=\"answer-credit-name\">Jesse Hanson, Ph.D.</span></span></a></div><dl class=\"answer-heading-dates\"><div><dt>Published</dt><dd><time datetime=\"2025-06-19T15:01:52Z\">June 19, 2025</time></dd></div><div><dt>Updated</dt><dd><time datetime=\"2025-08-20T08:22:07Z\">August 20, 2025</time></dd></div><div><dt>Reviewed</dt><dd><time datetime=\"2025-09-15\">September 15, 2025</time></dd></div></dl></header><nav class=\"answer-nav\" aria-label=\"Answer navigation\"><a href=\"#summary\">Summary</a><a href=\"#question\">Question</a><a href=\"#answer\">Answer</a></nav><article class=\"prose\" id=\"article-content\" data-answer-thread aria-label=\"Reader question and professional response\"><section class=\"answer-overview\" id=\"summary\" aria-labelledby=\"summary-title\"><h2 id=\"summary-title\">Summary</h2><figure class=\"answer-question-image\"><img src=\"https://mentalhealth-v2.workspace-454808.chatgpt.site/assets/answers/bipolar-sister-narcissist-boyfriend-20261003.webp\" alt=\"Two women walking across a park footbridge.\" width=\"1000\" height=\"667\" fetchpriority=\"high\"></figure><p>A woman feels deeply betrayed after housing and financially helping her sister, who then began a relationship with her boyfriend. She asks how to understand the sister’s actions and her family’s repeated support.</p><p>The response acknowledges the hurt and focuses on boundaries around financial rescue, which the author describes as enabling.</p><p>It suggests directing the sister toward professional and community resources, while its assumptions about motives and additional diagnoses remain interpretations rather than established facts.</p></section><div class=\"answer-originals\" id=\"original-conversation\"><div class=\"answer-originals-body\"><section class=\"answer-post answer-question\" id=\"question\" aria-labelledby=\"question-person\"><div class=\"answer-avatar answer-reader\" aria-hidden=\"true\">?</div><div class=\"answer-post-content\"><header class=\"answer-person\"><h2 id=\"question-person\">Question</h2><span>Reader · Identity withheld</span></header><p>My sister who has been diagnosed with Bipolar disorder came to live with me and my boyfriend of four years. She had struggled financially for many years, and my family and I had already helped her with thousands of dollars and countless hours of support. We thought we had reached our limit. Still, I decided to take her in to try to understand what was really going on with her.</p>\n<p>I spent countless hours and hundreds of dollars preparing for her arrival, from outfitting her room with a TV, computer, and bed to coordinating her move from Texas to Connecticut. Our family also helped bring her twelve year old daughter and her three pets who needed vet checks, kennels, and airline tickets. We went through chaos rescuing her from near homelessness, but finally she was safe with me in Connecticut. I was genuinely happy when she arrived.</p>\n<p>Then two weeks later I discovered she and my boyfriend had fallen in love. I was forced out of the home because the house is in his name. I stayed another month intentionally to prepare for leaving because I learned my boyfriend is a narcissist, something that explained a lot about my experience living with him. I wanted to see firsthand how these two “evil” forces worked together.</p>\n<p>Make no mistake, I was shell shocked, broken by pain, and barely standing but what I witnessed in that house was unbelievable. Through it all, my mother, daughter, and close friends were there to help me stay sane while I prepared to leave. Thankfully, I no longer care about the boyfriend.</p>\n<p>What in God’s name could drive my own sister to do this to me? Especially when I have helped her through her worst times with incredible support.</p></div></section><section class=\"answer-post answer-response\" id=\"answer\" aria-labelledby=\"response-person\"><a class=\"answer-avatar\" href=\"https://mentalhealth-v2.workspace-454808.chatgpt.site/people/allan-schwartz\" aria-label=\"View Allan Schwartz, Ph.D. profile\"><img src=\"https://mentalhealth-v2.workspace-454808.chatgpt.site/assets/wordpress/9429.jpg\" alt=\"\" width=\"44\" height=\"44\" loading=\"lazy\"></a><div class=\"answer-post-content\"><header class=\"answer-person\"><h2 id=\"response-person\">Answer</h2><span>Allan Schwartz, Ph.D.</span></header><p>I must admit that this is a horrible story. Who can blame you for feeling betrayed and confused.</p>\n<p>Perhaps it would help to try and think of it this way: \"It could be worse, You could be married to him.\" In other words, you are fortunate to be out of that relationship and away from him. As for your sister, that is a lot more complicated.</p>\n<p>You and your family had good intentions towards your sister. Well, do you remember the old saying that \"Hell is paved with good intentions?\" Unfortunately, it is true. Another way of stating this concept is to use the term \"Enabling.\"  In other words,<a href=\"https://mentalhealth-v2.workspace-454808.chatgpt.site/library/establishing-healthy-family-relational-boundaries\" class=\"article-inline-link\"> by attempting to help your sister the entire family has made it easy for her to be irresponsible.</a></p>\n<p>It is true that she has a<a href=\"https://mentalhealth-v2.workspace-454808.chatgpt.site/library/bipolar-disorder\" class=\"article-inline-link\"> Bipolar Disorder</a> and that is serious. Of course, there are varying levels of severity for that disorder. If she her mood swings are accompanied by audio visual hallucinations then we refer to the illness as Bipolar with Psychotic features or Schizoaffective Disorder. Either way, those symptoms are extremely serious. That is not to minimize the impact of Bipolar Disorder without psychotic features as the Mania and the Depression can be extremely dangerous.</p>\n<details class=\"answer-long-text\"><summary><span class=\"answer-read-more\">Show more</span><span class=\"answer-read-less\">Show less</span></summary><p>There is help for your sister in the mental health community without you and your family expending huge sums of your money to support her. A diagnosis of Bipolar Disorder usually qualifies a person for Social Security Income (SSI). SSI would qualify her for Medicare and Medicaid, both of which would cover her treatment for this psychiatric condition.</p>\n<p>If she refuses this type of help then the consequences need to be her own. I sense that it was with some naivety that you and your family thought that it would be <a href=\"https://mentalhealth-v2.workspace-454808.chatgpt.site/library/helping-someone-with-bipolar-disorder\" class=\"article-inline-link\">wonderful to help her</a>. Having a Bipolar Disorder does not prevent a person from being manipulative and selfish. In fact, having that disorder often means that the person carries a personality disorder diagnosis.</p>\n<p>I regret the fact that you have been badly hurt by your sister but I hope that it has helped you learn a lesson about \"good intentions.\" She has a mental illness, perhaps does not take her medication, and may have a personality disorder by whose nature motivates her to manipulate people to her own purposes.</p>\n<p>Next time do not help, do not enable and do not pave hell with good intentions. There is plenty of help for your sister in the mental health community and I have a hunch, based on experience, that she is well aware of this.</p>\n<p>Sorry for your pain and best of luck to you.</p></details></div></section></div></div></article><div class=\"answer-endmatter\"><section class=\"article-expert answer-expert-card\" aria-label=\"Subject matter expert\" data-expert-kind=\"related\"><a class=\"answer-card-avatar\" href=\"https://mentalhealth-v2.workspace-454808.chatgpt.site/people/simone-hoermann\" tabindex=\"-1\" aria-hidden=\"true\"><img src=\"https://mentalhealth-v2.workspace-454808.chatgpt.site/assets/wordpress/9447.jpg\" alt=\"\" width=\"64\" height=\"64\" loading=\"lazy\"></a><div class=\"answer-expert-copy\"><p class=\"article-bio-role\">Subject matter expert</p><h2><a href=\"https://mentalhealth-v2.workspace-454808.chatgpt.site/people/simone-hoermann\">Simone Hoermann <span class=\"expert-credentials\">Ph.D.</span></a></h2><p class=\"article-expert-focus\">Personality disorders, anxiety, and depression</p><a class=\"profile-experience-link experience-button\" href=\"https://mentalhealth-v2.workspace-454808.chatgpt.site/people/simone-hoermann\">View experience</a></div></section><section class=\"article-topic-community\" aria-label=\"Related communities\"><img class=\"topic-community-banner\" src=\"https://mentalhealth-v2.workspace-454808.chatgpt.site/assets/library/editorial-17221.webp\" alt=\"\" width=\"48\" height=\"48\" loading=\"lazy\"><p class=\"topic-community-label\">Related communities</p><h2>Relationships</h2><p>Connect around communication, closeness, boundaries, and the relationships that matter to you.</p><a href=\"https://mentalhealth-v2.workspace-454808.chatgpt.site/community/relationships\">Explore community</a></section><section class=\"answer-author-card answer-reviewer-card\"><a class=\"answer-card-avatar\" href=\"https://mentalhealth-v2.workspace-454808.chatgpt.site/people/allan-schwartz\"><img src=\"https://mentalhealth-v2.workspace-454808.chatgpt.site/assets/wordpress/9429.jpg\" alt=\"\" width=\"64\" height=\"64\" loading=\"lazy\"></a><div><span class=\"answer-reviewer-label\">Author</span><h2><a href=\"https://mentalhealth-v2.workspace-454808.chatgpt.site/people/allan-schwartz\">Allan Schwartz, Ph.D.</a></h2><p>Allan Schwartz, LCSW, Ph.D., is a Licensed Clinical Social Worker with over 30 years of private practice experience.</p><a href=\"https://mentalhealth-v2.workspace-454808.chatgpt.site/people/allan-schwartz\" class=\"profile-experience-link experience-button\">View experience</a></div></section><section class=\"answer-author-card answer-reviewer-card\"><a class=\"answer-card-avatar\" href=\"https://mentalhealth-v2.workspace-454808.chatgpt.site/people/jesse-hanson\"><img src=\"https://mentalhealth-v2.workspace-454808.chatgpt.site/assets/wordpress/9210.jpg\" alt=\"\" width=\"64\" height=\"64\" loading=\"lazy\"></a><div><span class=\"answer-reviewer-label\">Medical reviewer</span><h2><a href=\"https://mentalhealth-v2.workspace-454808.chatgpt.site/people/jesse-hanson\">Jesse Hanson, Ph.D.</a></h2><p>Jesse Hanson, Ph.D., is a clinical and somatic psychologist with over 20 years of experience in neuropsychology, specializing in integrative, mind-body…</p><a href=\"https://mentalhealth-v2.workspace-454808.chatgpt.site/people/jesse-hanson\" class=\"profile-experience-link experience-button\">View experience</a></div></section><section class=\"answer-related\"><h2>Related questions</h2><a href=\"https://mentalhealth-v2.workspace-454808.chatgpt.site/answers/will-my-boyfriend-eventually-hit-me\">Will my boyfriend eventually hit me?</a><a href=\"https://mentalhealth-v2.workspace-454808.chatgpt.site/answers/wife-of-21-years-has-a-boyfriend\">Why does my wife of 21 years have a boyfriend?</a><a href=\"https://mentalhealth-v2.workspace-454808.chatgpt.site/answers/why-does-my-wifes-old-boyfriend-bother-me\">Why does my wife’s old boyfriend bother me?</a></section></div></div>","text":"HomeAnswersHow could my sister steal my boyfriend?AnswersHow could my sister steal my boyfriend?Written byAllan Schwartz, Ph.D.Medically reviewed byJesse Hanson, Ph.D.PublishedJune 19, 2025UpdatedAugust 20, 2025ReviewedSeptember 15, 2025SummaryQuestionAnswerSummaryA woman feels deeply betrayed after housing and financially helping her sister, who then began a relationship with her boyfriend. She asks how to understand the sister’s actions and her family’s repeated support.The response acknowledges the hurt and focuses on boundaries around financial rescue, which the author describes as enabling.It suggests directing the sister toward professional and community resources, while its assumptions about motives and additional diagnoses remain interpretations rather than established facts.?QuestionReader · Identity withheldMy sister who has been diagnosed with Bipolar disorder came to live with me and my boyfriend of four years. She had struggled financially for many years, and my family and I had already helped her with thousands of dollars and countless hours of support. We thought we had reached our limit. Still, I decided to take her in to try to understand what was really going on with her. I spent countless hours and hundreds of dollars preparing for her arrival, from outfitting her room with a TV, computer, and bed to coordinating her move from Texas to Connecticut. Our family also helped bring her twelve year old daughter and her three pets who needed vet checks, kennels, and airline tickets. We went through chaos rescuing her from near homelessness, but finally she was safe with me in Connecticut. I was genuinely happy when she arrived. Then two weeks later I discovered she and my boyfriend had fallen in love. I was forced out of the home because the house is in his name. I stayed another month intentionally to prepare for leaving because I learned my boyfriend is a narcissist, something that explained a lot about my experience living with him. I wanted to see firsthand how these two “evil” forces worked together. Make no mistake, I was shell shocked, broken by pain, and barely standing but what I witnessed in that house was unbelievable. Through it all, my mother, daughter, and close friends were there to help me stay sane while I prepared to leave. Thankfully, I no longer care about the boyfriend. What in God’s name could drive my own sister to do this to me? Especially when I have helped her through her worst times with incredible support.AnswerAllan Schwartz, Ph.D.I must admit that this is a horrible story. Who can blame you for feeling betrayed and confused. Perhaps it would help to try and think of it this way: \"It could be worse, You could be married to him.\" In other words, you are fortunate to be out of that relationship and away from him. As for your sister, that is a lot more complicated. You and your family had good intentions towards your sister. Well, do you remember the old saying that \"Hell is paved with good intentions?\" Unfortunately, it is true. Another way of stating this concept is to use the term \"Enabling.\" In other words, by attempting to help your sister the entire family has made it easy for her to be irresponsible. It is true that she has a Bipolar Disorder and that is serious. Of course, there are varying levels of severity for that disorder. If she her mood swings are accompanied by audio visual hallucinations then we refer to the illness as Bipolar with Psychotic features or Schizoaffective Disorder. Either way, those symptoms are extremely serious. That is not to minimize the impact of Bipolar Disorder without psychotic features as the Mania and the Depression can be extremely dangerous. Show moreShow lessThere is help for your sister in the mental health community without you and your family expending huge sums of your money to support her. A diagnosis of Bipolar Disorder usually qualifies a person for Social Security Income (SSI). SSI would qualify her for Medicare and Medicaid, both of which would cover her treatment for this psychiatric condition. If she refuses this type of help then the consequences need to be her own. I sense that it was with some naivety that you and your family thought that it would be wonderful to help her. Having a Bipolar Disorder does not prevent a person from being manipulative and selfish. In fact, having that disorder often means that the person carries a personality disorder diagnosis. I regret the fact that you have been badly hurt by your sister but I hope that it has helped you learn a lesson about \"good intentions.\" She has a mental illness, perhaps does not take her medication, and may have a personality disorder by whose nature motivates her to manipulate people to her own purposes. Next time do not help, do not enable and do not pave hell with good intentions. There is plenty of help for your sister in the mental health community and I have a hunch, based on experience, that she is well aware of this. Sorry for your pain and best of luck to you.Subject matter expertSimone Hoermann Ph.D.Personality disorders, anxiety, and depressionView experienceRelated communitiesRelationshipsConnect around communication, closeness, boundaries, and the relationships that matter to you.Explore communityAuthorAllan Schwartz, Ph.D.Allan Schwartz, LCSW, Ph.D., is a Licensed Clinical Social Worker with over 30 years of private practice experience.View experienceMedical reviewerJesse Hanson, Ph.D.Jesse Hanson, Ph.D., is a clinical and somatic psychologist with over 20 years of experience in neuropsychology, specializing in integrative, mind-body…View experienceRelated questionsWill my boyfriend eventually hit me?Why does my wife of 21 years have a boyfriend?Why does my wife’s old boyfriend bother me?","wordCount":924},"schema":{"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://mentalhealth-v2.workspace-454808.chatgpt.site/#organization","name":"MentalHealth.com","url":"https://mentalhealth-v2.workspace-454808.chatgpt.site/"},{"@type":"WebSite","@id":"https://mentalhealth-v2.workspace-454808.chatgpt.site/#website","url":"https://mentalhealth-v2.workspace-454808.chatgpt.site/","name":"MentalHealth.com","inLanguage":"en-US","publisher":{"@id":"https://mentalhealth-v2.workspace-454808.chatgpt.site/#organization"}},{"@type":"BreadcrumbList","@id":"https://mentalhealth-v2.workspace-454808.chatgpt.site/answers/bipolar-sister-narcissist-boyfriend#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://mentalhealth-v2.workspace-454808.chatgpt.site/"},{"@type":"ListItem","position":2,"name":"Answers","item":"https://mentalhealth-v2.workspace-454808.chatgpt.site/answers"},{"@type":"ListItem","position":3,"name":"How could my sister steal my boyfriend?","item":"https://mentalhealth-v2.workspace-454808.chatgpt.site/answers/bipolar-sister-narcissist-boyfriend"}]},{"@type":"ImageObject","@id":"https://mentalhealth-v2.workspace-454808.chatgpt.site/answers/bipolar-sister-narcissist-boyfriend#primaryimage","url":"https://mentalhealth-v2.workspace-454808.chatgpt.site/assets/answers/bipolar-sister-narcissist-boyfriend-20261003.webp","contentUrl":"https://mentalhealth-v2.workspace-454808.chatgpt.site/assets/answers/bipolar-sister-narcissist-boyfriend-20261003.webp","width":1000,"height":667,"encodingFormat":"image/webp","caption":"Two women walking across a park footbridge."},{"@type":"Person","@id":"https://mentalhealth-v2.workspace-454808.chatgpt.site/people/allan-schwartz#person","name":"Allan Schwartz, Ph.D.","url":"https://mentalhealth-v2.workspace-454808.chatgpt.site/people/allan-schwartz","jobTitle":"LCSW, Ph.D.","image":"https://mentalhealth-v2.workspace-454808.chatgpt.site/assets/wordpress/9429.jpg"},{"@type":"Person","@id":"https://mentalhealth-v2.workspace-454808.chatgpt.site/people/jesse-hanson#person","name":"Jesse Hanson, Ph.D.","url":"https://mentalhealth-v2.workspace-454808.chatgpt.site/people/jesse-hanson","jobTitle":"Clinical Affairs Director","image":"https://mentalhealth-v2.workspace-454808.chatgpt.site/assets/wordpress/9210.jpg","sameAs":["https://www.linkedin.com/in/jesse-hanson-phd-7215216/"]},{"@type":"Article","@id":"https://mentalhealth-v2.workspace-454808.chatgpt.site/answers/bipolar-sister-narcissist-boyfriend#article","url":"https://mentalhealth-v2.workspace-454808.chatgpt.site/answers/bipolar-sister-narcissist-boyfriend","headline":"How could my sister steal my boyfriend?","description":"A woman feels deeply betrayed after housing and financially helping her sister, who then began a relationship with her boyfriend.","wordCount":819,"mainEntityOfPage":{"@id":"https://mentalhealth-v2.workspace-454808.chatgpt.site/answers/bipolar-sister-narcissist-boyfriend#webpage"},"publisher":{"@id":"https://mentalhealth-v2.workspace-454808.chatgpt.site/#organization"},"articleSection":"Answers","inLanguage":"en-US","datePublished":"2025-06-19T15:01:52Z","dateModified":"2025-08-20T08:22:07Z","author":[{"@id":"https://mentalhealth-v2.workspace-454808.chatgpt.site/people/allan-schwartz#person"}],"image":{"@id":"https://mentalhealth-v2.workspace-454808.chatgpt.site/answers/bipolar-sister-narcissist-boyfriend#primaryimage"},"hasPart":[{"@id":"https://mentalhealth-v2.workspace-454808.chatgpt.site/answers/bipolar-sister-narcissist-boyfriend#question"},{"@id":"https://mentalhealth-v2.workspace-454808.chatgpt.site/answers/bipolar-sister-narcissist-boyfriend#answer"}]},{"@type":"Question","@id":"https://mentalhealth-v2.workspace-454808.chatgpt.site/answers/bipolar-sister-narcissist-boyfriend#question","name":"How could my sister steal my boyfriend?","text":"My sister who has been diagnosed with Bipolar disorder came to live with me and my boyfriend of four years. She had struggled financially for many years, and my family and I had already helped her with thousands of dollars and countless hours of support. We thought we had reached our limit. Still, I decided to take her in to try to understand what was really going on with her. I spent countless hours and hundreds of dollars preparing for her arrival, from outfitting her room with a TV, computer, and bed to coordinating her move from Texas to Connecticut. Our family also helped bring her twelve year old daughter and her three pets who needed vet checks, kennels, and airline tickets. We went through chaos rescuing her from near homelessness, but finally she was safe with me in Connecticut. I was genuinely happy when she arrived. Then two weeks later I discovered she and my boyfriend had fallen in love. I was forced out of the home because the house is in his name. I stayed another month intentionally to prepare for leaving because I learned my boyfriend is a narcissist, something that explained a lot about my experience living with him. I wanted to see firsthand how these two “evil” forces worked together. Make no mistake, I was shell shocked, broken by pain, and barely standing but what I witnessed in that house was unbelievable. Through it all, my mother, daughter, and close friends were there to help me stay sane while I prepared to leave. Thankfully, I no longer care about the boyfriend. What in God’s name could drive my own sister to do this to me? Especially when I have helped her through her worst times with incredible support.","acceptedAnswer":{"@id":"https://mentalhealth-v2.workspace-454808.chatgpt.site/answers/bipolar-sister-narcissist-boyfriend#answer"},"inLanguage":"en-US","url":"https://mentalhealth-v2.workspace-454808.chatgpt.site/answers/bipolar-sister-narcissist-boyfriend#question","answerCount":1},{"@type":"Answer","@id":"https://mentalhealth-v2.workspace-454808.chatgpt.site/answers/bipolar-sister-narcissist-boyfriend#answer","text":"I must admit that this is a horrible story. Who can blame you for feeling betrayed and confused. Perhaps it would help to try and think of it this way: \"It could be worse, You could be married to him.\" In other words, you are fortunate to be out of that relationship and away from him. As for your sister, that is a lot more complicated. You and your family had good intentions towards your sister. Well, do you remember the old saying that \"Hell is paved with good intentions?\" Unfortunately, it is true. Another way of stating this concept is to use the term \"Enabling.\" In other words, by attempting to help your sister the entire family has made it easy for her to be irresponsible. It is true that she has a Bipolar Disorder and that is serious. Of course, there are varying levels of severity for that disorder. If she her mood swings are accompanied by audio visual hallucinations then we refer to the illness as Bipolar with Psychotic features or Schizoaffective Disorder. Either way, those symptoms are extremely serious. That is not to minimize the impact of Bipolar Disorder without psychotic features as the Mania and the Depression can be extremely dangerous. There is help for your sister in the mental health community without you and your family expending huge sums of your money to support her. A diagnosis of Bipolar Disorder usually qualifies a person for Social Security Income (SSI). SSI would qualify her for Medicare and Medicaid, both of which would cover her treatment for this psychiatric condition. If she refuses this type of help then the consequences need to be her own. I sense that it was with some naivety that you and your family thought that it would be wonderful to help her. Having a Bipolar Disorder does not prevent a person from being manipulative and selfish. In fact, having that disorder often means that the person carries a personality disorder diagnosis. I regret the fact that you have been badly hurt by your sister but I hope that it has helped you learn a lesson about \"good intentions.\" She has a mental illness, perhaps does not take her medication, and may have a personality disorder by whose nature motivates her to manipulate people to her own purposes. Next time do not help, do not enable and do not pave hell with good intentions. There is plenty of help for your sister in the mental health community and I have a hunch, based on experience, that she is well aware of this. Sorry for your pain and best of luck to you.","author":{"@id":"https://mentalhealth-v2.workspace-454808.chatgpt.site/people/allan-schwartz#person"},"inLanguage":"en-US","url":"https://mentalhealth-v2.workspace-454808.chatgpt.site/answers/bipolar-sister-narcissist-boyfriend#answer"},{"@type":"MedicalWebPage","@id":"https://mentalhealth-v2.workspace-454808.chatgpt.site/answers/bipolar-sister-narcissist-boyfriend#webpage","url":"https://mentalhealth-v2.workspace-454808.chatgpt.site/answers/bipolar-sister-narcissist-boyfriend","name":"How could my sister steal my boyfriend?","description":"A woman feels deeply betrayed after housing and financially helping her sister, who then began a relationship with her boyfriend.","inLanguage":"en-US","isPartOf":{"@id":"https://mentalhealth-v2.workspace-454808.chatgpt.site/#website"},"breadcrumb":{"@id":"https://mentalhealth-v2.workspace-454808.chatgpt.site/answers/bipolar-sister-narcissist-boyfriend#breadcrumb"},"mainEntity":{"@id":"https://mentalhealth-v2.workspace-454808.chatgpt.site/answers/bipolar-sister-narcissist-boyfriend#article"},"publisher":{"@id":"https://mentalhealth-v2.workspace-454808.chatgpt.site/#organization"},"medicalAudience":{"@type":"MedicalAudience","audienceType":"General public"},"datePublished":"2025-06-19T15:01:52Z","dateModified":"2025-08-20T08:22:07Z","lastReviewed":"2025-09-15","primaryImageOfPage":{"@id":"https://mentalhealth-v2.workspace-454808.chatgpt.site/answers/bipolar-sister-narcissist-boyfriend#primaryimage"},"image":{"@id":"https://mentalhealth-v2.workspace-454808.chatgpt.site/answers/bipolar-sister-narcissist-boyfriend#primaryimage"},"reviewedBy":{"@id":"https://mentalhealth-v2.workspace-454808.chatgpt.site/people/jesse-hanson#person"}}]},"representations":{"html":"https://mentalhealth-v2.workspace-454808.chatgpt.site/answers/bipolar-sister-narcissist-boyfriend","json":"https://mentalhealth-v2.workspace-454808.chatgpt.site/data/answers/bipolar-sister-narcissist-boyfriend.json","jsonLd":"https://mentalhealth-v2.workspace-454808.chatgpt.site/data/answers/bipolar-sister-narcissist-boyfriend.ld.json"},"$schema":"https://mentalhealth-v2.workspace-454808.chatgpt.site/data/page.schema.json","images":[{"url":"https://mentalhealth-v2.workspace-454808.chatgpt.site/assets/wordpress/9429.jpg","alt":"","width":40,"height":40},{"url":"https://mentalhealth-v2.workspace-454808.chatgpt.site/assets/wordpress/9210.jpg","alt":"","width":40,"height":40},{"url":"https://mentalhealth-v2.workspace-454808.chatgpt.site/assets/answers/bipolar-sister-narcissist-boyfriend-20261003.webp","alt":"Two 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footbridge.","width":1000,"height":667},{"url":"https://mentalhealth-v2.workspace-454808.chatgpt.site/assets/wordpress/9447.jpg","alt":"","width":64,"height":64},{"url":"https://mentalhealth-v2.workspace-454808.chatgpt.site/assets/library/editorial-17221.webp","alt":"","width":48,"height":48}],"sections":[{"id":"summary-title","title":"Summary","level":2,"url":"https://mentalhealth-v2.workspace-454808.chatgpt.site/answers/bipolar-sister-narcissist-boyfriend#summary-title"},{"id":"question-person","title":"Question","level":2,"url":"https://mentalhealth-v2.workspace-454808.chatgpt.site/answers/bipolar-sister-narcissist-boyfriend#question-person"},{"id":"response-person","title":"Answer","level":2,"url":"https://mentalhealth-v2.workspace-454808.chatgpt.site/answers/bipolar-sister-narcissist-boyfriend#response-person"}],"references":[],"relatedReading":[],"links":[{"url":"https://mentalhealth-v2.workspace-454808.chatgpt.site/","label":"Home"},{"url":"https://mentalhealth-v2.workspace-454808.chatgpt.site/answers","label":"Answers"},{"url":"https://mentalhealth-v2.workspace-454808.chatgpt.site/answers","label":"Answers"},{"url":"https://mentalhealth-v2.workspace-454808.chatgpt.site/people/allan-schwartz","label":"Written byAllan Schwartz, Ph.D."},{"url":"https://mentalhealth-v2.workspace-454808.chatgpt.site/people/jesse-hanson","label":"Medically reviewed byJesse Hanson, Ph.D."},{"url":"https://mentalhealth-v2.workspace-454808.chatgpt.site/answers/bipolar-sister-narcissist-boyfriend#summary","label":"Summary"},{"url":"https://mentalhealth-v2.workspace-454808.chatgpt.site/answers/bipolar-sister-narcissist-boyfriend#question","label":"Question"},{"url":"https://mentalhealth-v2.workspace-454808.chatgpt.site/answers/bipolar-sister-narcissist-boyfriend#answer","label":"Answer"},{"url":"https://mentalhealth-v2.workspace-454808.chatgpt.site/people/allan-schwartz","label":""},{"url":"https://mentalhealth-v2.workspace-454808.chatgpt.site/library/establishing-healthy-family-relational-boundaries","label":"by attempting to help your sister the entire family has made it easy for her to be irresponsible."},{"url":"https://mentalhealth-v2.workspace-454808.chatgpt.site/library/bipolar-disorder","label":"Bipolar Disorder"},{"url":"https://mentalhealth-v2.workspace-454808.chatgpt.site/library/helping-someone-with-bipolar-disorder","label":"wonderful to help her"},{"url":"https://mentalhealth-v2.workspace-454808.chatgpt.site/people/simone-hoermann","label":""},{"url":"https://mentalhealth-v2.workspace-454808.chatgpt.site/people/simone-hoermann","label":"Simone Hoermann Ph.D."},{"url":"https://mentalhealth-v2.workspace-454808.chatgpt.site/people/simone-hoermann","label":"View experience"},{"url":"https://mentalhealth-v2.workspace-454808.chatgpt.site/community/relationships","label":"Explore community"},{"url":"https://mentalhealth-v2.workspace-454808.chatgpt.site/people/allan-schwartz","label":""},{"url":"https://mentalhealth-v2.workspace-454808.chatgpt.site/people/allan-schwartz","label":"Allan Schwartz, Ph.D."},{"url":"https://mentalhealth-v2.workspace-454808.chatgpt.site/people/allan-schwartz","label":"View experience"},{"url":"https://mentalhealth-v2.workspace-454808.chatgpt.site/people/jesse-hanson","label":""},{"url":"https://mentalhealth-v2.workspace-454808.chatgpt.site/people/jesse-hanson","label":"Jesse Hanson, Ph.D."},{"url":"https://mentalhealth-v2.workspace-454808.chatgpt.site/people/jesse-hanson","label":"View experience"},{"url":"https://mentalhealth-v2.workspace-454808.chatgpt.site/answers/will-my-boyfriend-eventually-hit-me","label":"Will my boyfriend eventually hit me?"},{"url":"https://mentalhealth-v2.workspace-454808.chatgpt.site/answers/wife-of-21-years-has-a-boyfriend","label":"Why does my wife of 21 years have a boyfriend?"},{"url":"https://mentalhealth-v2.workspace-454808.chatgpt.site/answers/why-does-my-wifes-old-boyfriend-bother-me","label":"Why does my wife’s old boyfriend bother me?"}],"conversation":{"status":"complete","summary":{"question":"A woman feels deeply betrayed after housing and financially helping her sister, who then began a relationship with her boyfriend. She asks how to understand the sister’s actions and her family’s repeated support.","answer":"The response acknowledges the hurt and focuses on boundaries around financial rescue, which the author describes as enabling. It suggests directing the sister toward professional and community resources, while its assumptions about motives and additional diagnoses remain interpretations rather than established facts."},"sourceUrl":"https://www.mentalhealth.com/answers/bipolar-sister-narcissist-boyfriend","sourceReviewer":{"@type":"Person","@id":"https://mentalhealth-v2.workspace-454808.chatgpt.site/people/jesse-hanson#person","name":"Jesse Hanson, Ph.D.","url":"https://mentalhealth-v2.workspace-454808.chatgpt.site/people/jesse-hanson"},"question":{"id":"https://mentalhealth-v2.workspace-454808.chatgpt.site/answers/bipolar-sister-narcissist-boyfriend#question","url":"https://mentalhealth-v2.workspace-454808.chatgpt.site/answers/bipolar-sister-narcissist-boyfriend#question","html":"<p>My sister who has been diagnosed with Bipolar disorder came to live with me and my boyfriend of four years. She had struggled financially for many years, and my family and I had already helped her with thousands of dollars and countless hours of support. We thought we had reached our limit. Still, I decided to take her in to try to understand what was really going on with her.</p>\n<p>I spent countless hours and hundreds of dollars preparing for her arrival, from outfitting her room with a TV, computer, and bed to coordinating her move from Texas to Connecticut. Our family also helped bring her twelve year old daughter and her three pets who needed vet checks, kennels, and airline tickets. We went through chaos rescuing her from near homelessness, but finally she was safe with me in Connecticut. I was genuinely happy when she arrived.</p>\n<p>Then two weeks later I discovered she and my boyfriend had fallen in love. I was forced out of the home because the house is in his name. I stayed another month intentionally to prepare for leaving because I learned my boyfriend is a narcissist, something that explained a lot about my experience living with him. I wanted to see firsthand how these two “evil” forces worked together.</p>\n<p>Make no mistake, I was shell shocked, broken by pain, and barely standing but what I witnessed in that house was unbelievable. Through it all, my mother, daughter, and close friends were there to help me stay sane while I prepared to leave. Thankfully, I no longer care about the boyfriend.</p>\n<p>What in God’s name could drive my own sister to do this to me? Especially when I have helped her through her worst times with incredible support.</p>","text":"My sister who has been diagnosed with Bipolar disorder came to live with me and my boyfriend of four years. She had struggled financially for many years, and my family and I had already helped her with thousands of dollars and countless hours of support. We thought we had reached our limit. Still, I decided to take her in to try to understand what was really going on with her. I spent countless hours and hundreds of dollars preparing for her arrival, from outfitting her room with a TV, computer, and bed to coordinating her move from Texas to Connecticut. Our family also helped bring her twelve year old daughter and her three pets who needed vet checks, kennels, and airline tickets. We went through chaos rescuing her from near homelessness, but finally she was safe with me in Connecticut. I was genuinely happy when she arrived. Then two weeks later I discovered she and my boyfriend had fallen in love. I was forced out of the home because the house is in his name. I stayed another month intentionally to prepare for leaving because I learned my boyfriend is a narcissist, something that explained a lot about my experience living with him. I wanted to see firsthand how these two “evil” forces worked together. Make no mistake, I was shell shocked, broken by pain, and barely standing but what I witnessed in that house was unbelievable. Through it all, my mother, daughter, and close friends were there to help me stay sane while I prepared to leave. Thankfully, I no longer care about the boyfriend. What in God’s name could drive my own sister to do this to me? Especially when I have helped her through her worst times with incredible support."},"answer":{"id":"https://mentalhealth-v2.workspace-454808.chatgpt.site/answers/bipolar-sister-narcissist-boyfriend#answer","url":"https://mentalhealth-v2.workspace-454808.chatgpt.site/answers/bipolar-sister-narcissist-boyfriend#answer","html":"<p>I must admit that this is a horrible story. Who can blame you for feeling betrayed and confused.</p>\n<p>Perhaps it would help to try and think of it this way: \"It could be worse, You could be married to him.\" In other words, you are fortunate to be out of that relationship and away from him. As for your sister, that is a lot more complicated.</p>\n<p>You and your family had good intentions towards your sister. Well, do you remember the old saying that \"Hell is paved with good intentions?\" Unfortunately, it is true. Another way of stating this concept is to use the term \"Enabling.\"  In other words,<a href=\"https://mentalhealth-v2.workspace-454808.chatgpt.site/library/establishing-healthy-family-relational-boundaries\"> by attempting to help your sister the entire family has made it easy for her to be irresponsible.</a></p>\n<p>It is true that she has a<a href=\"https://mentalhealth-v2.workspace-454808.chatgpt.site/library/bipolar-disorder\"> Bipolar Disorder</a> and that is serious. Of course, there are varying levels of severity for that disorder. If she her mood swings are accompanied by audio visual hallucinations then we refer to the illness as Bipolar with Psychotic features or Schizoaffective Disorder. Either way, those symptoms are extremely serious. That is not to minimize the impact of Bipolar Disorder without psychotic features as the Mania and the Depression can be extremely dangerous.</p>\n<p>There is help for your sister in the mental health community without you and your family expending huge sums of your money to support her. A diagnosis of Bipolar Disorder usually qualifies a person for Social Security Income (SSI). SSI would qualify her for Medicare and Medicaid, both of which would cover her treatment for this psychiatric condition.</p>\n<p>If she refuses this type of help then the consequences need to be her own. I sense that it was with some naivety that you and your family thought that it would be <a href=\"https://mentalhealth-v2.workspace-454808.chatgpt.site/library/helping-someone-with-bipolar-disorder\">wonderful to help her</a>. Having a Bipolar Disorder does not prevent a person from being manipulative and selfish. In fact, having that disorder often means that the person carries a personality disorder diagnosis.</p>\n<p>I regret the fact that you have been badly hurt by your sister but I hope that it has helped you learn a lesson about \"good intentions.\" She has a mental illness, perhaps does not take her medication, and may have a personality disorder by whose nature motivates her to manipulate people to her own purposes.</p>\n<p>Next time do not help, do not enable and do not pave hell with good intentions. There is plenty of help for your sister in the mental health community and I have a hunch, based on experience, that she is well aware of this.</p>\n<p>Sorry for your pain and best of luck to you.</p>","text":"I must admit that this is a horrible story. Who can blame you for feeling betrayed and confused. Perhaps it would help to try and think of it this way: \"It could be worse, You could be married to him.\" In other words, you are fortunate to be out of that relationship and away from him. As for your sister, that is a lot more complicated. You and your family had good intentions towards your sister. Well, do you remember the old saying that \"Hell is paved with good intentions?\" Unfortunately, it is true. Another way of stating this concept is to use the term \"Enabling.\" In other words, by attempting to help your sister the entire family has made it easy for her to be irresponsible. It is true that she has a Bipolar Disorder and that is serious. Of course, there are varying levels of severity for that disorder. If she her mood swings are accompanied by audio visual hallucinations then we refer to the illness as Bipolar with Psychotic features or Schizoaffective Disorder. Either way, those symptoms are extremely serious. That is not to minimize the impact of Bipolar Disorder without psychotic features as the Mania and the Depression can be extremely dangerous. There is help for your sister in the mental health community without you and your family expending huge sums of your money to support her. A diagnosis of Bipolar Disorder usually qualifies a person for Social Security Income (SSI). SSI would qualify her for Medicare and Medicaid, both of which would cover her treatment for this psychiatric condition. If she refuses this type of help then the consequences need to be her own. I sense that it was with some naivety that you and your family thought that it would be wonderful to help her. Having a Bipolar Disorder does not prevent a person from being manipulative and selfish. In fact, having that disorder often means that the person carries a personality disorder diagnosis. I regret the fact that you have been badly hurt by your sister but I hope that it has helped you learn a lesson about \"good intentions.\" She has a mental illness, perhaps does not take her medication, and may have a personality disorder by whose nature motivates her to manipulate people to her own purposes. Next time do not help, do not enable and do not pave hell with good intentions. There is plenty of help for your sister in the mental health community and I have a hunch, based on experience, that she is well aware of this. Sorry for your pain and best of luck to you.","author":{"@type":"Person","@id":"https://mentalhealth-v2.workspace-454808.chatgpt.site/people/allan-schwartz#person","name":"Allan Schwartz, Ph.D.","url":"https://mentalhealth-v2.workspace-454808.chatgpt.site/people/allan-schwartz"}},"summaryScope":"Editorial overview of the original question and response; original review dates apply to the source conversation."},"presentation":{"updatedAt":"2026-10-03","template":"answer-conversation","imageGeneratedAt":"2026-10-03"},"seo":{"title":"How could my sister steal my boyfriend? | MentalHealth.com","description":"A woman feels deeply betrayed after housing and financially helping her sister, who then began a relationship with her boyfriend.","canonical":"https://mentalhealth-v2.workspace-454808.chatgpt.site/answers/bipolar-sister-narcissist-boyfriend","robots":"index,follow","socialImage":{"url":"https://mentalhealth-v2.workspace-454808.chatgpt.site/assets/social-tiles-20261006-dots/answers.png","width":1200,"height":630,"alt":"MentalHealth.com — Answers","type":"image/png","sitemapGroup":"answers"}},"subjectMatterExpert":{"name":"Simone Hoermann, Ph.D.","url":"/people/simone-hoermann","profileId":"6419","topic":"mood","focus":"Personality disorders, anxiety, and depression","selectionBasis":"Documented expertise in the existing published profile","reviewAttribution":false},"navigation":[],"relatedCommunity":{"community":"/community/relationships","basis":"topic match"},"collections":[]}
