Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
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If you mouth the word "colorful" to someone, it looks like you are saying "I love you".
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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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A couple had their wedding rings engraved with a waveform of their own voices saying "I do."
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When dragonflies mate, their tails form a love heart.
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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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Sea otters hold hands while sleeping so they don’t drift away from each other.
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In Korea, if you do not receive any gift on Valentine's day then all the singles go to Korean restaurants and eat black noodles to celebrate (or mourn) their single status.
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