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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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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In medieval Italy, if a man was caught kissing a woman in public, he had to marry her whether he liked it or not.
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People are more likely to tilt their heads to the right when kissing instead of the left (65 percent of people go to the right!)
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In Korea, there's a man named Lee Jin-gyu who fell in love and married his life-sized Japanese body pillow (called a "dakimakura").
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Kissing an infection-free partner is good for your teeth!
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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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