I'm incredibly obsessive and insecure. With many disorders like borderline personality, bipolar, PTSD, schizoaffective disorder, and anxiety. I create scenarios in my head and sometimes become delusional thinking that they are true. I see red Flags in situations where there truly are none. I over-analyze everything people say and do. Their body language. Their tone of voice. 

Because of therapy and working through trauma from past relationships, old situations are being brought up and I become delusional thinking that my husband is doing them. Little things like my husband wanting to relax after a long day, him putting his phone face down, him being too tired to have sex, him not responding immediately to my messages. All of these things trigger me t0 spiral thinking he's cheating or something because that's what's happened in the past multiple times with other people. It's so beyond "just trust your husband". It's a little bit more than giving him the benefit of the doubt. 
It makes me paranoid about girls he works with that I don't even know. I go absolutely crazy, giving these girls made personas amd putting them in situations that very likely aren't happening at all. 

He texts me all day. Calls. Video chats. Tells me about his day amd updates me at work. And my mind keeps telling me "he's just getting better at hiding things". I have no reason to believe that. Or any of the delusions. 

My mind is convincing me of these things and it's not fair to him. He's such a trooper.. he's understanding and supportive and helping me through it. But it HAS to be exhausting. 

I have to bring up how this is affecting me in therapy my next session. But until then does anyone have any words of encouragement or how to handle this?