Studies show that the risk of a “secret love” being revealed heightens romantic feelings for the partners, thanks to increased levels of phenylethylamine (PEA).
99
Yawns are more contagious among people with closer relationships.
163
In the presence of attractive women, men find running easier, take more risks, donate more money, consume more calories, and talk more.
28
It is estimated that at any one time, 0.7% of the world's population are drunk.
90
Only about 2% of the world population has green eyes.
36
People who are lying to you tend to look up and to the left (their left).
178