Yawns are more contagious among people with closer relationships.
163
A person will create enough saliva to fill two average size swimming pools during his lifetime.
191
Males sweat 40% more than females.
104
In the presence of attractive women, men find running easier, take more risks, donate more money, consume more calories, and talk more.
28
A study had men report their own penis size, and the average was found to be 6.1-6.5 inches. A subsequent clinical study actually measured penises, and found the average size to be 5.1-5.7 inches.
-3
The most recorded orgasms in an hour were 134 for one woman and only 16 for a man.
192