Arousal: It's what the body does in preparation for sex and (we hope!) orgasm. In this video, clinical sexologist Dr. Lindsey Doe explains the stages of arousal as they occur for both men and women. The key is to start paying attention to where you are along the continuum. That way, you can avoid jumping the gun - and often enjoy more satisfying sex.

And while you're at it, check out more great videos like this on Lindsey's YouTube channel, Sexplanations.