Historically, sweat has been an active ingredient in perfume and love potions.
309
A man is more likely to get a woman's phone number if he is accompanied by a dog.
20
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
Wearing red increases attraction.
30
Women rate men more attractive if other women are looking and smiling at him.
17
Yawns are more contagious among people with closer relationships.
163
Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26