Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
39
A man's beard grows fastest when he anticipates sex.
239
The average person in their lifetime will spend an estimated 20,160 minutes kissing!
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Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
8 out of 10 people think that the first kiss indicates how the rest of the relationship will be.
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One in five long-term love relationships began with one or both partners being involved with others.
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The typical person spends about 600 hours having sex between the ages of 20 and 70.
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