Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
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When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
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A man's beard grows fastest when he anticipates sex.
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In medieval Italy, if a man was caught kissing a woman in public, he had to marry her whether he liked it or not.
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Kissing an infection-free partner is good for your teeth!
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A poll has found that computer 'nerds' make the best lovers, with 82 percent of IT geeks claiming they put their partner's pleasure above their own.
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