Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104
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
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
8 out of 10 people think that the first kiss indicates how the rest of the relationship will be.
212
When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
130
The left ear is more responsive to words of love and emotion whispered into it than the right.
40