ok so there was this guy that i kind of had a relationship with like months ago, a few dates and kisses and phone conversations- but it didn't work out. he was the first guy i have truly invested time to and allowed myself to like instead of just hooking up with him. we have been over for several months and i was over him for moths, like 5 maybe but now all of a sudden i can't stop thinking about him.. this doesn't make sense, why is this alll of a sudden happening?? ugh, we aren't good for each other and i do not want to try to get back into that. how do i make this go away?