Men who kiss their wives in the morning live five years longer than those who don't.
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Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
Historically, sweat has been an active ingredient in perfume and love potions.
309
The average person in their lifetime will spend an estimated 20,160 minutes kissing!
212
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
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8 out of 10 people think that the first kiss indicates how the rest of the relationship will be.
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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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