Five days after signing up on a Web site for married people looking to cheat, Jill, a Dr. Phil producer, had already received over 250 e-mails. She chose to meet a guy who wrote, "About a year and a half ago I hit a point of very high frustration in my marriage. My wife stopped thinking sex was fun a long time ago. And after what seems like way too much time fighting about certain stuff, I went online."

When Jill meets the man, she lets him know that she is a producer for Dr. Phil. She promises to disguise his voice and face, but he vehemently declines to talk. "I'm going to knock him down if he doesn't stop with the cameras. Tell him to turn it off and then we'll talk," the man says to Jill.

Jill talks with the man off camera. "We're just trying to help people out there who are trying to put an end to this," she says to him.

The man responds, "I'm like a lot of people that would rather not be in this position. I know probably too much about all this stuff. And I've spoken to lots of men and lots of women, and we're all out here for the same couple of reasons. And it's unfortunate, and a lot of it can be 'fixed,' so to speak, in relationships. But I don't want to be that guy. I was here to meet somebody nice, that's all."