When dragonflies mate, their tails form a love heart.
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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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When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
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The average person in their lifetime will spend an estimated 20,160 minutes kissing!
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Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
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Kissing an infection-free partner is good for your teeth!
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A man's beard grows fastest when he anticipates sex.
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Men who kiss their wives in the morning live five years longer than those who don't.
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