I love my gf very much but I think I have retroactive jealousy. I'm 26m, was khv zero previous partners when we met 6 months ago but we've had sex and I'm really happy she's my first everything. I however am not her first partner. I get triggered with obsessive thoughts when her ex is brought up and I hate having these thoughts. She also recently mentioned going on several dates (nothing sexual) from dating apps after they broke up, but before meeting me, we met at work. She has since deleted t…