Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
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Holding hands with someone you love can alleviate physical pain as well as stress and fear.
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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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In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
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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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Parents receive 1 out of every 5 Valentines.
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In Korea, there's a man named Lee Jin-gyu who fell in love and married his life-sized Japanese body pillow (called a "dakimakura").
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