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
Raj from the Big Bang Theory is married to Miss India.
11
Intelligent men tend to be more sexually faithful.
31
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
One in five long-term love relationships began with one or both partners being involved with others.
177
Yawns are more contagious among people with closer relationships.
163