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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The single biggest predictor of love is proximity.
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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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40% of people who are rejected in romantic love slip into clinical depression.
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Wearing red increases attraction.
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Studies show that the risk of a “secret love” being revealed heightens romantic feelings for the partners, thanks to increased levels of phenylethylamine (PEA).
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A Korean man called Lee Jin-gyu fell in love with his large, huggable pillow and married it.
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In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
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