Long story short, I was completely caught off guard several years ago with the girl I was dating. She had cheated on me several times, but it felt as if she was completely dedicated to me, and there was never a chance she would ever do such a thing.
It's been 5 years, and every relationship I've been in has been affected by what happened. My last relationship was over 2 years. I never had a single reason to doubt her, yet every single time she would be out of contact for a longer period of time than expected, I would immediately expect her to be cheating on me. When I would visit her apartment, I'd catch myself looking around the room for "evidence" when I had NO reason to suspect cheating.
It is the same way with the woman I've been dating for a year now. If something feels just slightly off, even an odd wording in a text message, I lose it.
I'm unable to control the fear of being cheated on. My frequent questioning is a complete annoyance for my girlfriend. I do not feel as if I can ever fully trust ANY woman again, and it's been the same for the past 5 years.
Is there a term for this? What am I supposed to do or know in order to fully commit to a relationship again? Is this a condition which resulted from being left in a very extreme position of vulnerability?