I know this is hard to do, but I would always think about the bad things never the good things with this guy. I had a friend we were friends for 11 years. She was an alcoholic. The kind that got jealous over her boyfriends and things like that. Well she would always get drunk and accuse me of sleeping with her boyfriends. Well one morning she called my husband she was of course drunk and told him that I was sleeping with her boyfriend. That was the last of it. That's all I will allow myself to remember of her. She was very toxic in a bad way. It's been two years since I've seen her. At first it was hard, she was litterally like family to my whole family, but after awile you get used to not having that person in your life. You will actually feel better.