33 Titillating Facts About Sex That You Probably Didn't Know
BuzzFeed - Latest 2014-09-15
Summary:
Welcome to sex ed class.
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1. Sex works as a pain killer — especially with headaches. 2. The average size of a man's penis is 5 to 7 inches when erect. 3. Semen can be used as a face cream to help fight wrinkles and prevent acne.
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4. The merkin — pubic wig — was used for sanitary reasons back in 1450. Now it's used as an erotic toy or a decorative object. 5. There are about 250 million sperm in a teaspoon of semen. 6. A man ejaculates at an average speed of 28 mph. 7. There are 5 to 25 calories in a teaspoon of semen. 8. The vibrator was invented to reduce "hysteria" in the 19th century.