How often have you been in a relationship and asked your significant other, “Do you think she’s pretty? Are you attracted to anyone else?” A simple question, a little game and in Obsession by Amanda Robson, this is the question that destroys many lives. The novel surrounds two married couples. Rob and Carly share a happy life with their close friends Jenni and Craig; however, nothing is so simple. Can a woman’s husband ever be just friends with someone else’s wife? Pure friends? With no ulterior motives? This novel calls into question the simplest blocks of relationships.