Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
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In medieval Italy, if a man was caught kissing a woman in public, he had to marry her whether he liked it or not.
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Wearing red increases attraction.
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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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It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
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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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'X' became symbolic for a kiss because in the middle ages when alot of people were illiterate and they used to sign documents with an X and then kiss it for sincerity.
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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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