I don't want to sound mean...but you know what kind of person he was/is. You read it yourself, you've heard plenty about him. It's kinda obvious that things are still bothering you. I think it's time to to move on. You're only hurting yourself by keeping in contact with him and giving yourself a false sense of hope. I see you setting yourself up to get hurt again. I think the best thing to do would be to stop talking to him. I'm sorry, I hope things get better and work out for you.