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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Historically, sweat has been an active ingredient in perfume and love potions.
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Holding hands with someone you love can alleviate physical pain as well as stress and fear.
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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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The average person in their lifetime will spend an estimated 20,160 minutes kissing!
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Parents receive 1 out of every 5 Valentines.
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There's a love mattress that is specifically designed for couples who sleep on each other's arms.
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Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
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