Do you have a lot of one-night stands? Affairs? Well, I bet your mom does too. No, really! I bet she does, because scientists say they've found a gene that's linked to promiscuity and uncommitted sex.

Sextacular New York Post relationship consultant Andrea Peyser knows a thing or two about what men want, and she's about to hit you with some sexxxy wisdom, ladies. Rule One: don't be such a slut. She's talking to you, Maddie.