Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
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Parents receive 1 out of every 5 Valentines.
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Historically, sweat has been an active ingredient in perfume and love potions.
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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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Speed dating was invented by a Rabbi in 1999.
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When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
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8 out of 10 people think that the first kiss indicates how the rest of the relationship will be.
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Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
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