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
Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
Brain scans show that people who view photos of a beloved experience an activation of the caudate - the part of the brain involving cravings.
103
Gary Kremen, founder of match.com, lost his girlfriend to a man she met on match.com.
69
Intelligent men tend to be more sexually faithful.
31
Women rate men more attractive if other women are looking and smiling at him.
17
Men fall in love faster than women do.
32