Brain scans show that people who view photos of a beloved experience an activation of the caudate - the part of the brain involving cravings.
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Twenty nine percent of women spend more time shopping for shoes than they do looking for a life long mate.
737
Men who kiss their wives in the morning live five years longer than those who don't.
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A Korean man called Lee Jin-gyu fell in love with his large, huggable pillow and married it.
29
When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44
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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Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
A man's beard grows fastest when he anticipates sex.
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