In this list of celebrity cheaters, reality TV star Jon Gosselin stands out as no "peak performer," says Hirschhorn. "Basically, his accomplishments involve having eight kids and a cute wife." Verdict: The Jon & Kate Plus 8 star "lacks the coping mechanisms to deal with the limelight," adds Hirschhorn." "He is acting out -- on his terms -- not for the attention but because he wants to be in control of something -- and some of the decisions he makes. What he doesn't realize or has not thought out too well is that his decisions and actions are giving him less control of his life."