Anonymous wrote:I didn't read all the responses, but your BIL has delusional disorder, jealous subtype. Anti-psychotics can be helpful in treating it, but only if the person takes them consistently, which is an issue because the person does not believe they have a mental illness. Your sister needs to read, "I'm Not Sick, I Don't Need Help" if she's determined to try to work things out and to find a psychiatrist who's used to working with patients who don't believe they need meds. Getting shots of anti-psychotics every 2-4 weeks is a better way to treat this than pills because it's a lot easier to go off pills.
I think your sister should leave him, but it sounds like she's not ready. Right after they leave is when women are most in danger of being killed by their batterer, so your sister needs to really get a solid exit plan together.
Don't go to their house for Thanksgiving.
I think your diagnosis is dead on. My sister doesn't really tell me what his dx is all she knows is he is on anti-psychotics. He doesn't believe he is sick. Only taking meds cause my sister has said she will leave if he doesn't but she has no means to verify that he is taking them. That is of course till it is to late. I will suggest the shots to her. I don't think she knows they come in that form. I hope she will finally decide to be rid of him. That is the part that scares me the most, when they leave is when the problems really start.
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