Parents receive 1 out of every 5 Valentines.
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A poll has found that computer 'nerds' make the best lovers, with 82 percent of IT geeks claiming they put their partner's pleasure above their own.
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In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
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Two in five people in the world marry their first love.
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In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
4
Speed dating was invented by a Rabbi in 1999.
45
Raj from the Big Bang Theory is married to Miss India.
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Holding hands with someone you love can alleviate physical pain as well as stress and fear.
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