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
The typical person spends about 600 hours having sex between the ages of 20 and 70.
234
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
Men laugh longer, louder, and more often than women.
61
Children's sense of smell is better than adults'.
860
People with blue eyes are better able to see in the dark.
153
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11