Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
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Holding hands with someone you love can alleviate physical pain as well as stress and fear.
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In medieval Italy, if a man was caught kissing a woman in public, he had to marry her whether he liked it or not.
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A man's beard grows fastest when he anticipates sex.
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People are more likely to tilt their heads to the right when kissing instead of the left (65 percent of people go to the right!)
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Cuddling (or other ‘love’ acts) helps to heal physical wounds faster due to the release of Oxytocin which is proven to reduce swelling.
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