You burn 26 calories in a one minute kiss.
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When dragonflies mate, their tails form a love heart.
22
40% of people who are rejected in romantic love slip into clinical depression.
72
In 1999, a fisherman found a love letter in a bottle from a soldier in WWI. He returned said letter to the now deceased widows 86 year old daughter.
27
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
Men who kiss their wives in the morning live five years longer than those who don't.
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A man's beard grows fastest when he anticipates sex.
239
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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