Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
If you mouth the word "colorful" to someone, it looks like you are saying "I love you".
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A man's beard grows fastest when he anticipates sex.
239
Gary Kremen, founder of match.com, lost his girlfriend to a man she met on match.com.
69
In medieval Italy, if a man was caught kissing a woman in public, he had to marry her whether he liked it or not.
456
When dragonflies mate, their tails form a love heart.
22
Wearing red increases attraction.
30
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14