Tl:dr

Im in highschool senior year

In an LTR

Guy Im going to school with fucked my LTR before her and I met

Supposedly he was a one pump chump and it was a one-time thing

Question is

Why am Ietting this get in my head? I dont really hate the guy, its just... Idk, I feel some type of negative way towards it

I know, not mine just my turn, ive read the sidebar.... Can someone find the root cause?