The average person in their lifetime will spend an estimated 20,160 minutes kissing!
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Holding hands with someone you love can alleviate physical pain as well as stress and fear.
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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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Sea otters hold hands while sleeping so they don’t drift away from each other.
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Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
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Couples' personalities converge over time to make partners more and more similar.
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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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Wearing red increases attraction.
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