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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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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The single biggest predictor of love is proximity.
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In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
4
The typical person spends about 600 hours having sex between the ages of 20 and 70.
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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 you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
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