You burn 26 calories in a one minute kiss.
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In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
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Raj from the Big Bang Theory is married to Miss India.
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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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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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Sea otters hold hands while sleeping so they don’t drift away from each other.
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When dragonflies mate, their tails form a love heart.
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