Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
40% of people who are rejected in romantic love slip into clinical depression.
72
Intelligent men tend to be more sexually faithful.
31
One in five long-term love relationships began with one or both partners being involved with others.
177
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
Men fall in love faster than women do.
32
Gary Kremen, founder of match.com, lost his girlfriend to a man she met on match.com.
69