Yawns are more contagious among people with closer relationships.
163
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
Women who play video games tend to have more sex and be happier with their relationships than those who don’t.
18
People are more likely to tilt their heads to the right when kissing instead of the left (65 percent of people go to the right!)
278
One in five long-term love relationships began with one or both partners being involved with others.
177
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
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165