When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
Yawns are more contagious among people with closer relationships.
163
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
Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
Women rate men more attractive if other women are looking and smiling at him.
17
Brain scans show that people who view photos of a beloved experience an activation of the caudate - the part of the brain involving cravings.
103