Anuptaphobia is the fear of staying single.
11
Intelligent men tend to be more sexually faithful.
31
Women rate men more attractive if other women are looking and smiling at him.
17
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
One in five long-term love relationships began with one or both partners being involved with others.
177
Men fall in love faster than women do.
32