Two in five people in the world marry their first love.
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Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
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47% of people have a nightmare at least once a month.
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The average single man is one inch shorter than the average married man.
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The typical person spends about 600 hours having sex between the ages of 20 and 70.
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2% of Europeans lack the genes for smelly armpits.
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Every workday, 6.7 million people commute to Manhattan!
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According to a study, women ages 22 to 30 with no children and no spouse earned a higher median income than comparable men in 39 of the 50 largest U.S. cities in 2008.
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