Divorce healing

Been divorced for about a year. I don't love the man anymore and haven't talked to him. I don't have kids or a reason I need to communicate with him, and so it has been best to heal being away from him. He cheated on me and tore up my world last year with a nasty affair. He cheated over and over and it was terrible. Any way, he is starting to turn into a blur. I am forgetting him (or maybe purposely blocking him out). Either way, I can confidently say I don't miss him or love him anymore. He turned so crazy that it would be hard to. Still, I am not fully recovered. Why am I still sad/emotional at times if I don't miss him at all? Divorces suck for those who haven't been through them. Be faithful and appreciate your loved ones every day :)