Couples' personalities converge over time to make partners more and more similar.
235
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
88
If you mouth the word "colorful" to someone, it looks like you are saying "I love you".
634
Wearing red increases attraction.
30
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
The single biggest predictor of love is proximity.
30