Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104
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
Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
26
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
A man's beard grows fastest when he anticipates sex.
239
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
If you mouth the word "colorful" to someone, it looks like you are saying "I love you".
634
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13