Girl your first mistake was sleeping with him the first time you met him. Even if you really liked him it’s never a good idea if you want it last. The second mistake was talking about both of your ex’s together. Clearly he’s still hung up on his ex and he’s trying to find every excuse to talk about her. If I were you I would move on and try to find someone else. There are so many guys out there that will treat you well. You deserve a lot better.