He Called Me To Tell Me "Happy Anniversary"

Today was just totally unexpected when he called me to tell me happy anniversary. I was shocked, stunned and speechless. I had just almost forgotten what this day was because of all the heartache he has put me through. I had loved him so much but all the pain made me want to forget. The last thing I would have thought I would hear from him was his wishing me a happy anniversary when we aren't even together anymore. He was talking to me as if we were still together, and I didn't quite understand what was going on with him. Does he not think that I am upset that he doesn't have time to come and see our daughter? Doesn't he stop and think that he should? I honestly do not know what's on his mind and I guess I never really did. I hurried up and got off the phone with him because I didn't know what was coming next, but.....oh no! oh yes, he did, he told me that he loved me before I hung up. What in the world is he saying this to me for when he is NOW with the other woman? I am really confused by his actions.