Intelligent men tend to be more sexually faithful.
31
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12
Gary Kremen, founder of match.com, lost his girlfriend to a man she met on match.com.
69
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
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
Women rate men more attractive if other women are looking and smiling at him.
17
Historically, sweat has been an active ingredient in perfume and love potions.
309