You burn 26 calories in a one minute kiss.
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Two in five people in the world marry their first love.
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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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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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Couples' personalities converge over time to make partners more and more similar.
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Kissing an infection-free partner is good for your teeth!
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The average person in their lifetime will spend an estimated 20,160 minutes kissing!
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