Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
One in five long-term love relationships began with one or both partners being involved with others.
177
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
Intelligent men tend to be more sexually faithful.
31
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
A man is more likely to get a woman's phone number if he is accompanied by a dog.
20