According to the New York Times, a study conducted during the 1980's found that men who kiss their wives before leaving for work live longer, get into fewer car accidents, and have a higher income than married men who don't.
14
Historically, sweat has been an active ingredient in perfume and love potions.
309
A man is more likely to get a woman's phone number if he is accompanied by a dog.
20
Women rate men more attractive if other women are looking and smiling at him.
17
40% of people who are rejected in romantic love slip into clinical depression.
72
Yawns are more contagious among people with closer relationships.
163
Brain scans show that people who view photos of a beloved experience an activation of the caudate - the part of the brain involving cravings.
103