It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
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Kissing an infection-free partner is good for your teeth!
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When dragonflies mate, their tails form a love heart.
22
Historically, sweat has been an active ingredient in perfume and love potions.
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People are more likely to tilt their heads to the right when kissing instead of the left (65 percent of people go to the right!)
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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
Twenty nine percent of women spend more time shopping for shoes than they do looking for a life long mate.
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