For the very same reason disgruntled office workers pilfer paper clips and people pout at family reunions: lack of appreciation.

On a recent Oprah show Dr. M. Gary Neuman, the author of "The Truth About Cheating," who surveyed hundreds of cheating husbands blew apart one of the common myths about infidelity when he reported that "92 percent of men said it wasn't primarily about the sex."

(Yes I know women cheat, but that's not what...