Parents receive 1 out of every 5 Valentines.
20
The single biggest predictor of love is proximity.
30
For Valentine's Day 2014, an unnamed man sabotaged a special screening of "Beijing Love Story" at a Shanghai cinema by booking every other seat, subsequently preventing couples from sitting together.
41
40% of people who are rejected in romantic love slip into clinical depression.
72
Couples' personalities converge over time to make partners more and more similar.
235
Erotomania is a type of delusion in which the person believes another person is in love with him/her.
38
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
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