One in five long-term love relationships began with one or both partners being involved with others.
177
Women rate men more attractive if other women are looking and smiling at him.
17
Men fall in love faster than women do.
32
A man is more likely to get a woman's phone number if he is accompanied by a dog.
20
Historically, sweat has been an active ingredient in perfume and love potions.
309
Yawns are more contagious among people with closer relationships.
163