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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Parents receive 1 out of every 5 Valentines.
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Men who kiss their wives in the morning live five years longer than those who don't.
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Brain scans show that people who view photos of a beloved experience an activation of the caudate - the part of the brain involving cravings.
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Men fall in love faster than women do.
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Holding hands with someone you love can alleviate physical pain as well as stress and fear.
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