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
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
40% of people who are rejected in romantic love slip into clinical depression.
72
Women rate men more attractive if other women are looking and smiling at him.
17
There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12