Welcome to the A to Z of Sex! Each week I explore a letter of the erotic alphabet, covering topics from arousal to zipless f*cks. While exploring, you will learn. Sexless Marriage: When a Man Doesn't Make Love to a Wife. It is unhealthy physically to be in a sexless marriage, never mind the emotional toll it takes. The Sexless Marriage Fix, by doctors Robert Fleisher and Roberta Foss-Morgan, is the book that gets everyone talking about a problem no one is talking about.