You burn 26 calories in a one minute kiss.
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Parents receive 1 out of every 5 Valentines.
20
Wearing red increases attraction.
30
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
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In 2010, Gary Richmond was beaten into a coma. He woke up with amnesia and no memory of his wife of 20 years. Subsequently, he ended up falling in love with her all over again!
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In 2012, a Chinese man named Xiao Fan had a dress made out of 9,999 red roses for his girlfriend and then proposed - 9 in China means forever
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A man's beard grows fastest when he anticipates sex.
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The single biggest predictor of love is proximity.
30