Some girl cheated on me after we had talked twice extensively about not having an open relationship at the time (were both polyamorous) and with me not really being uh...sensual if you know what I mean I general and because of our ages (she had just turned into adult and I'm a couple years older so it's just..comfort for me) and the dude she cheated on me with? Used to be best friends AND he's same age as me and he had a girlfriend in the next town over from where I live...I found his girlfriend and showed her pictures and proof and I ruined their relationship