As long as monogamy has existed, so has cheating. What makes people stray from the ones they love? We wanted to find out specifically what drives men to be unfaithful.
We talked to a leading expert on the topic, M. Gary Neuman, a psychotherapist and the author of "The Neuman Method" and "The Truth About Cheating." Through his research, Neuman found that the main reason men cheat has little to do with sex or physical attraction.
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