Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44
When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
130
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
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 single biggest predictor of love is proximity.
30
In Korea, if you do not receive any gift on Valentine's day then all the singles go to Korean restaurants and eat black noodles to celebrate (or mourn) their single status.
27