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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35% of the people using personal ads for dating are already married!
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Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
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The typical person spends about 600 hours having sex between the ages of 20 and 70.
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There are actually seven different types of twins: Identical, Fraternal, Mirror-Image, Polar Body (Half Identical), Mixed Chromosome, Superfecundation, and Superfetation.
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Every workday, 6.7 million people commute to Manhattan!
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The Japanese commonly put ketchup on their rice.
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