In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
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The average person in their lifetime will spend an estimated 20,160 minutes kissing!
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It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
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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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Kissing an infection-free partner is good for your teeth!
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Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
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Two in five people in the world marry their first love.
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