DEAR ABBY: I was involved with a man (“Mike”) I cared deeply about. One day he came to me saying he had a “secret” he needed to share. He explained that he was in love with another woman, and they had decided to get back together. I asked him all the normal questions. He explained as best as he could and apologized. Three weeks later, Mike called me and told me he missed me and thought he had made a mistake. I went over and stayed the night. I didn’t call him after that, but now he’s calling me all ...