Yawns are more contagious among people with closer relationships.
163
A man is more likely to get a woman's phone number if he is accompanied by a dog.
20
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
8 out of 10 people think that the first kiss indicates how the rest of the relationship will be.
212
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