The average person in their lifetime will spend an estimated 20,160 minutes kissing!
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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 releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
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Couples' personalities converge over time to make partners more and more similar.
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Rex the German Shepherd was a rescue dog with a bad temper. He refused to be fed by humans and would attack strangers, but he’s a changed dog after falling in love with Geraldine the goose!
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In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
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In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
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