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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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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Sea otters hold hands while sleeping so they don’t drift away from each other.
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The average person in their lifetime will spend an estimated 20,160 minutes kissing!
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Two in five people in the world marry their first love.
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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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