Parents receive 1 out of every 5 Valentines.
20
In 2012, a Chinese man named Xiao Fan had a dress made out of 9,999 red roses for his girlfriend and then proposed - 9 in China means forever
16
You burn 26 calories in a one minute kiss.
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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 average person will go on a date at least 100 times before they finally marry.
33
When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44
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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