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
Gary Kremen, founder of match.com, lost his girlfriend to a man she met on match.com.
69
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
40% of people who are rejected in romantic love slip into clinical depression.
72
Wearing red increases attraction.
30