
About 39% of women use masturbation to relax themselves.

On average, one in 50 women in Japan (age 19-29) has filmed AV works.

The whole book "Jin Ping Mei" describes a total of 105 places where men and women sleep together, of which 36 are described in large detail, 36 are described in small detail, and 33 are not described at all.

The Criminal Law of the Northern Wei Dynasty "Both men and women will die if they do not have polite intercourse." The so-called "send pigs" refer to boars that go to other people's homes for breeding. This means that if a husband gets into someone else's bed like a boar, he deserves to be killed, and the murderer does not need to bear legal responsibility.

There were no toilets in medieval Europe, so people defecated on fireplaces, behind doors, on walls and on balconies. There was even urine and feces on every stone in the palace passage and on the grand welcoming steps.

In Japan, when shooting AV, the lubricant will be heated with hot water in advance to prevent the thick liquid from being too cold, causing discomfort to the actresses and actors, and the time will be longer.

Penguins' corneas are flat, which allows them to see clearly underwater.

The age at which women reach full maturity is 32 years old, while that for men is 43 years old, 11 years later than women.

Boys will think that it is not as exciting as a blowjob on the first night, but even so, you should not tell girls that a girl gave you her innocent body, but in the end you dare to say that she is not as good as your right hand when she is a living person. Are you happy?

It takes about 12 seconds for each sloth to take a step. It can only move 1.8 to 2.4 meters per minute at its fastest. It is the slowest mammal in the world, and its moving speed is slower than that of a turtle.