How much do you know about sex?

You think you know everything about sex? Take this quiz, and prove it. 99.9% of these questions and answers are REAL facts.

1 How much (average) calories does sex burn an hour?
2 Where can you NOT buy sex toys/vibrators from?
3 What's the average size of a flaccid penis?
4 What makes girls have twice more sex than they usually do?
5 How long does it take for a condom to "expire"?
6 Where in the world is buying prostitutes cheaper than buying condoms?
7 How often do men think about sex?
8 Who were the first 2 people to be shown in bed on tv?
9 What animal has 2 organs?
10 What does sperm help?