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One testicle hangs a little longer than the other so they don't hit each other when moving! -
It is common for men to wake up with "morning wood," a name for a morning erection. -
The first condoms in the U.S. were made in the 1870s from vulcanized rubber. They were expensive, thick and intended to be reused. -
The world's only museum of Phallology is in Reykjavik, Iceland. Phallology is the science of the penis. -
Your inner nose swells while having sex. -
A woman's sexual drive reaches its peak just before her period. -
Sex increases your immunity to pain. Orgasms trigger hormones that help you increase your pain threshold. -
If you're sexually attracted to someone, it is much more difficult to lie to them. -
Ever wonder why it is difficult to urinate immediately after having sex? That's because when you orgasm, an anti-diuretic hormone is released in your body. -
Peeing after having sex prevents you from catching urinary tract infections.