Your move: Even if she rolls over, it's not too late to heat things up. Sidle up and spoon her (without poking anything into her back)—cuddling causes her testosterone to surge, a recent Canadian study found. Increased T levels may cause androgen receptors in her clitoris to switch on, leading to arousal, the scientists say. Bonus: Women feel more sexually attractive the morning after cuddling, the study found. Steamy shower sex, anyone?
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