Think you know everything there is to know about sex? Think again! These 10 interesting sex facts will blow your mind.

1. Sex burns 360 calories.

2. It’s against the law in Colorado to kiss a woman while she’s asleep.

3.  The vagina is a self cleansing organ.

4. The act of sex is biochemically the same as eating a lot of chocolate

5. The average couple spends 20 minutes on foreplay

6. The average person has sex 103 times per year

7. 52.5% of women have used a vibrator either alone or with a partner.

8. The most used vibrator, the rabbit, resembles a rabbit because it was illegal to manufacturer vibrators that resembled a penis in Japan at the time.

9. Women who have used vibrators have also gone to a women’s specialist and had an exam in the past year.

10. The best selling sex toy is lube.