DEAR ANNIE: I just read your comments to a person whose husband had Alzheimer’s and was upset by what people said to her. Earlier this year, I lost to Alzheimer’s the woman who was the center of my universe for 60 years. I can relate to the comments from the woman who wrote to you. But I chose to believe that everyone who comments about my loss is truly concerned about my welfare. Some people just do not know what to say, and they may unintentionally say something that hurts. I would suggest, for those who want to ease the pain of a friend, to read the book “Don’t Sing Songs To a Heavy Heart: …