Women rate men more attractive if other women are looking and smiling at him.
17
Raj from the Big Bang Theory is married to Miss India.
11
Wearing red increases attraction.
30
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
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
Historically, sweat has been an active ingredient in perfume and love potions.
309
Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26