Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
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If you mouth the word "colorful" to someone, it looks like you are saying "I love you".
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Holding hands with someone you love can alleviate physical pain as well as stress and fear.
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Kissing an infection-free partner is good for your teeth!
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Parents receive 1 out of every 5 Valentines.
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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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The average person in their lifetime will spend an estimated 20,160 minutes kissing!
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