After interviewing over 500 men, a psychologist says he can predict who is most likely to be unfaithful

Would all men cheat given the right circumstances? After interviewing hundreds
of men, psychologist Martyn Stewart claims that all men are capable of
cheating — but that does not mean that they will. “There’s a primal
instinct,” he says. “Some men are less likely to be able to push that
aside.”

Stewart, 35, is head of psychology at Doha College in Qatar, where he teaches
psychology to 16 to 19-year-olds. Born and educated in Manchester, he now
divides his timebetween Doha and the UK, where he conducted interviews with
more than 500 British men over four years. His research comes to