Here's some advice that I never would've guessed: If you want to make sure your significant other doesn't cheat on you, make sure you're TERRIBLE in bed.
According to a new study out of Florida State University, couples who have GOOD sex are actually more likely to cheat on each other.
Why? The researchers think it's because people who are used to great sex become hooked on getting-it-on . . . so they eventually look to branch out to other people.
The study also found attractive women are LESS likely to cheat on their husband than women who aren't so good looking . . . but good looking guys are more likely to cheat on their wives than less attractive dudes.