The typical person spends about 600 hours having sex between the ages of 20 and 70.
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Two in five people in the world marry their first love.
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For Valentine's Day 2014, an unnamed man sabotaged a special screening of "Beijing Love Story" at a Shanghai cinema by booking every other seat, subsequently preventing couples from sitting together.
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In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
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Parents receive 1 out of every 5 Valentines.
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In Korea, if you do not receive any gift on Valentine's day then all the singles go to Korean restaurants and eat black noodles to celebrate (or mourn) their single status.
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Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
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Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
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