Brain scans show that people who view photos of a beloved experience an activation of the caudate - the part of the brain involving cravings.
103
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
The average person in their lifetime will spend an estimated 20,160 minutes kissing!
212
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
The typical person spends about 600 hours having sex between the ages of 20 and 70.
234
Historically, sweat has been an active ingredient in perfume and love potions.
309
One in five long-term love relationships began with one or both partners being involved with others.
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