A man is more likely to get a woman's phone number if he is accompanied by a dog.
20
Yawns are more contagious among people with closer relationships.
163
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
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
One in five long-term love relationships began with one or both partners being involved with others.
177
Wearing red increases attraction.
30