One in five long-term love relationships began with one or both partners being involved with others.
177
As a rule, 66 percent of people keep their eyes closed while kissing. The rest take pleasure in watching the emotions run the gamut on the faces of their partners.
687
People are more likely to tilt their heads to the right when kissing instead of the left (65 percent of people go to the right!)
278
8 out of 10 people think that the first kiss indicates how the rest of the relationship will be.
212
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
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