An average female orgasm lasts four times longer than the average male one.
Running helps people to become better at sex.
On an average, fat men last longer in bed than skinny men.
In ancient Rome, sex trade was not illegal and female prostitutes were readily identified by their high heels.
About 4% of the world's population has sex on any given day.
Sex actually boosts brain growth.
Worldwide, the average age at which a person loses one's virginity is 19!
For a typical lovemaking session, the man will thrust an average of 60 to 120 times.
The surge in production of the hormone 'oxytocin' causes sex to act as a pain killer.
Oral sex was illegal in Canada until the year 1969.