Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
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In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
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In 1999, a fisherman found a love letter in a bottle from a soldier in WWI. He returned said letter to the now deceased widows 86 year old daughter.
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Speed dating was invented by a Rabbi in 1999.
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Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
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According to the New York Times, a study conducted during the 1980's found that men who kiss their wives before leaving for work live longer, get into fewer car accidents, and have a higher income than married men who don't.
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A couple had their wedding rings engraved with a waveform of their own voices saying "I do."
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