Yawns are more contagious among people with closer relationships.
163
One in five long-term love relationships began with one or both partners being involved with others.
177
Intelligent men tend to be more sexually faithful.
31
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
Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
Anuptaphobia is the fear of staying single.
11
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