Remember when you first discovered sex? In your 6-year-old mind, your parents had done the dirty twice—once to conceive you, and a second time to crank out your little sister. Then, around the 6th grade, you realized that propagation is only a small part of sex. In fact, it’s just one of 237 reasons humans hook up, according to a recent University of Texas study. Although you don’t need a white coat to explain why you love sex, her motivations for sealing the deal often seem rather . . . mysterious. Fortunately for you, the researchers surveyed hundreds of women to pull back the sheet on sex. Here are the top 15 reasons she sleeps with you, and how to, ahem, encourage her along.
