Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
A man is more likely to get a woman's phone number if he is accompanied by a dog.
20
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
Women rate men more attractive if other women are looking and smiling at him.
17
Gary Kremen, founder of match.com, lost his girlfriend to a man she met on match.com.
69
40% of people who are rejected in romantic love slip into clinical depression.
72