Cosmo for your guy: avoid these mood-killing mistakes.(Man Manual)

* Have you ever encountered this scenario? Your girl is primed for passion and then, all of a sudden, she's climbing back into her clothes? Read on to learn about the moves that could lead to coitus interruptus, so you can prevent it from happening to you.

Begging for Things

Pleading for her to puuuuh-lease let you videotape the sexual proceedings of try a circus-style position is annoying. "When you keep asking her to do things that she's made clear she doesn't want to do, it's aggravating and disrespectful," says Ditza Katz, PhD, codirector with Ross Tabisel, PhD, of the Women's Therapy Center in Plainview, New York. If there's something you're just dying for her to try, bring it up before you get to the bedroom. "Present the idea as something that would be fun for both of you, and see if she agrees," suggests Gloria G. Brame, PhD, a sexologist in Athens, Georgia. That's the way to get more of what you want.

Leaving the TV on

It's one thing to get so caught up in the heat of the moment that you forget to turn the damn thing off. But if you're having sex and she catches you glimpsing an instant replay or your favorite commercial, she's going to be pissed off.

"She wants to be the only ...