Women rate men more attractive if other women are looking and smiling at him.
17
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
As a rule, 66 percent of people keep their eyes closed while kissing. The rest take pleasure in watching the emotions run the gamut on the faces of their partners.
687
40% of people who are rejected in romantic love slip into clinical depression.
72