A man's beard grows fastest when he anticipates sex.
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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
When dragonflies mate, their tails form a love heart.
22
When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44
Studies show that the risk of a “secret love” being revealed heightens romantic feelings for the partners, thanks to increased levels of phenylethylamine (PEA).
99
Parents receive 1 out of every 5 Valentines.
20
The typical person spends about 600 hours having sex between the ages of 20 and 70.
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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