few facts

During the female orgasm, endorphines are released, which are powerful painkillers. So headaches are in fact a bad excuse not to have sex. 

According to psychologists, the shoe and the foot are the most common sources of sexual fetishism in Western society. 

During World War II, condoms were used to cover rifle barrels from being damaged by salt water as the soldiers swam to shore. 

Impotence is grounds for divorce in 26 U.S. states. 

In 1952, Private George Jorgenson was the first person to receive a sex change. The US army soldier thought he was a woman that was trapped in a man's body. Christian Hamburger, a Danish doctor performed the sex change, and George Jorgenson changed his name to Christine Jorgenson. 

Sex burns about 70-120 calories for a 130 pound woman, and 77 to 155 calories for a 170 pound man every hour. 

The condom made originally of linen was invented in the early 1500's. Casanova, the womanizer, used linen condoms. 

The sperm count of an average American male compared to thirty years ago is down thirty percent. 

There are approximately 100 million acts of sexual intercourse each day.