Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
Yawns are more contagious among people with closer relationships.
163
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
Anuptaphobia is the fear of staying single.
11
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