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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A Korean man called Lee Jin-gyu fell in love with his large, huggable pillow and married it.
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Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
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Historically, sweat has been an active ingredient in perfume and love potions.
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The average person in their lifetime will spend an estimated 20,160 minutes kissing!
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Men who kiss their wives in the morning live five years longer than those who don't.
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40% of people who are rejected in romantic love slip into clinical depression.
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