Reddit, why do you and your ex hate each other?

Was with my Ex for 4 years, two years in everything was fine until we hit a rocky patch and didn't speak for like a week. Then i found out on her Facebook she had kissed a guy by a picture he uploaded where he and her kissed multiple times around her house, we had been together for two years and things had been great up until that point, she never said we were over or that she wanted someone else, just didn't speak much to me on msn (Back when that was a thing.) After finding out the hard way i flew off the handle and called her out on it, she said it was just a bit of fun because things were so shit between us, said she never did anything more with him than kissing but i was told otherwise by a friend of his. We got back together a couple weeks after i found out about that after she pleaded me, felt like an idiot at the time but i really loved her, then two years later of constant arguing, paranoia on both sides and falling in and out of love, not to mention i was a lot more sexual than she was and that didn't make a failing relationship any better, then a girl who i had been friends with for a year confessed to me, i wasn't interested due to the heart ache i had to deal with with my gf for so long but this friend wouldn't give up, i ended up becoming friends with benefits with the other girl for a while before finally breaking it off with my gf ( i know kind of hypocritical on my part but by this time we were pretty much over emotionally and rarely spoke.) Then after we officially broke up the girl i had been seeing and i entered into a relationship a couple more weeks later, my now Ex saw and flew off the handle at me, saying she hoped we'd get back together, that she wanted me to live with her and all this, called me a liar and a cheater etc. I won't lie it felt good knowing she understood how i felt earlier on in our relationship and we ended it there on bitter terms, haven't spoken for like three years now.

/r/AskReddit Thread