Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
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In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
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You burn 26 calories in a one minute kiss.
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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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40% of people who are rejected in romantic love slip into clinical depression.
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The average person in their lifetime will spend an estimated 20,160 minutes kissing!
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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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