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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Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
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Cuddling (or other ‘love’ acts) helps to heal physical wounds faster due to the release of Oxytocin which is proven to reduce swelling.
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When dragonflies mate, their tails form a love heart.
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In 2010, Gary Richmond was beaten into a coma. He woke up with amnesia and no memory of his wife of 20 years. Subsequently, he ended up falling in love with her all over again!
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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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Gary Kremen, founder of match.com, lost his girlfriend to a man she met on match.com.
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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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