Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
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The typical person spends about 600 hours having sex between the ages of 20 and 70.
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According to the New York Times, a study conducted during the 1980's found that men who kiss their wives before leaving for work live longer, get into fewer car accidents, and have a higher income than married men who don't.
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Speed dating was invented by a Rabbi in 1999.
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Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
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The average person in their lifetime will spend an estimated 20,160 minutes kissing!
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When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
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