In an Oprah.com poll, nearly 20 percent of male and female viewers said a happy open marriage is possible. When asked they were in an open marriage, 7 percent of women and 14 percent of men said yes. Are open marriages becoming more common? "Well, what I would say is this. Monogamy is not hardwired, monogamy is a choice," she says. "But that being said, what is hardwired is jealousy and envy and competition. These are normal human emotions and they're difficult to control."
"Only a third of marriages survive an affair and there's a reason for that," Dr. Saltz says. "It is very hard to get past those feelings of jealousy and hurt and betrayal. 'Do I really have all of you? Are you really mine?'" How satisfied are you with your sex life? Read an excerpt from Dr. Pepper Schwartz's Prime Rev up your sex life with these books and articles