Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
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The average person in their lifetime will spend an estimated 20,160 minutes kissing!
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It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
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Couples' personalities converge over time to make partners more and more similar.
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Speed dating was invented by a Rabbi in 1999.
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Wearing red increases attraction.
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Historically, sweat has been an active ingredient in perfume and love potions.
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Twenty nine percent of women spend more time shopping for shoes than they do looking for a life long mate.
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