In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
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Parents receive 1 out of every 5 Valentines.
20
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
One in five long-term love relationships began with one or both partners being involved with others.
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Rex the German Shepherd was a rescue dog with a bad temper. He refused to be fed by humans and would attack strangers, but he’s a changed dog after falling in love with Geraldine the goose!
10
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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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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