Yawns are more contagious among people with closer relationships.
163
People are more likely to tilt their heads to the right when kissing instead of the left (65 percent of people go to the right!)
278
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
Women rate men more attractive if other women are looking and smiling at him.
17
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
Raj from the Big Bang Theory is married to Miss India.
11
8 out of 10 people think that the first kiss indicates how the rest of the relationship will be.
212
Intelligent men tend to be more sexually faithful.
31