What Are The Rules Of Cheating?

How to keep his gipper behind a zipper? Ask Audrina Patridge, who lately is out with a different dude every weekend.

No one likes a Cheater. But what exactly is cheating?

Cheaters never prosper. They just have more sex. If sleeping around were in the rulebook, both sides would be getting nookie and everything would be super. Alas, not everyone can agree on an open-door, open-leg relationship. Some rules are in order.

Semi-Naked Oil Wrestling: Cheating or Recreation?
While oiled and half-clothed, your guy slips onto an equally oiled woman, and she is forced to squirm her way out from under him. Even though he said it was totally an accident, something in your gut suspects foul play.

Making Out Under The Influence: Cheating or CPR?
You catch him drunk and making out with some other chick that totally isn’t as hot as you. Not only that, her shoes are the only things uglier than her face. Maybe it’s time to find a guy who drinks real booze, and not all the Bacardi Breezers that Mr. Cheater here blames for his infidelity.

Mile High Club: Cheating or Extreme Sport?
Then there was that time he went skydiving and just happened to have an expert blonde strapped to his back. While an "instructor" might make sense considering it's his first time, you can't feel good about him grinding coverall zipper at terminal velocity. Box his ears when he hits the ground.