When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
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
Wearing red increases attraction.
30
Women rate men more attractive if other women are looking and smiling at him.
17
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
One in five long-term love relationships began with one or both partners being involved with others.
177