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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Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
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In 1999, a fisherman found a love letter in a bottle from a soldier in WWI. He returned said letter to the now deceased widows 86 year old daughter.
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Historically, sweat has been an active ingredient in perfume and love potions.
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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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Speed dating was invented by a Rabbi in 1999.
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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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