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
In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
4
When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
Historically, sweat has been an active ingredient in perfume and love potions.
309
When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25
Twenty nine percent of women spend more time shopping for shoes than they do looking for a life long mate.
737
In medieval Italy, if a man was caught kissing a woman in public, he had to marry her whether he liked it or not.
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