Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
Historically, sweat has been an active ingredient in perfume and love potions.
309
Wearing red increases attraction.
30
Women who play video games tend to have more sex and be happier with their relationships than those who don’t.
18
Yawns are more contagious among people with closer relationships.
163