How not to bore your girl in bed.(Cosmo for your guy)

* If you want to make sure she's pleased in the sack, you'll have to keep things interesting. Read on for tips on how to do it.

switch up the sequence

Nothing bores a woman between the sheets like a mechanical mattress routine. You know the drill: First you kiss her, then you touch her right boob, then you move south for 2.5 minutes, then you have sex. It's so predictable! To avoid putting her to sleep with a sex-by-numbers habit, you need to change the order. "When a woman knows what's next, she'll space out and detach from the sexual experience," says Patti Britton, PhD, clinical sexologist and coauthor of The Complete Idiot's Guide to Sensual Massage. "If she doesn't know what's coming, though, she'll be totally in the moment." So next time, have a full-on make-out session right after intercourse. Or stop midsex, give her some oral loving, then get back to business.

take it outside

The bedroom is a convenient and comfortable place to get busy, but it can get a little old. Thankfully, there are other places that deserve to be christened. "There's an element of danger when you take sex outside of the bedroom," says Britton. "Even in your own home, there's this sense that someone might walk in on you at any moment, which heightens the excitement."

So instead of racing to bed the next time you're eager to get it on, test the sturdiness of your kitchen counter instead. Or move to the ...