DEAR ABBY: I have been married to my husband for five years. He’s the man of my dreams, and we have a wonderful marriage. Recently we learned that his ex-wife — to whom he was married for 20 years — has been diagnosed with a life-threatening cancer. They have two adult children together. I have never questioned my husband’s love or devotion to me. What’s bothering me is his reaction to the news. They had a horrible relationship and never got along, but he is very upset over this. I’m not sure how to handle this. I don’t want to ...