DEAR ANNIE: I am having a real hard time right now. My husband — of only five years — and I married quite quickly after we met. Before this, I was with a man for over 20 years. He is the father of my children. I was very unhappy in that relationship, and when I met my now husband, an affair started very quickly, and we were married within a year of our meeting. I never had the urge to marry my ex. I am 48, and my husband is more than 10 years older than me. The problem is that shortly after we were married, he couldn’t perform anymore, and it has been five years of no sexual intercourse. We …