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Sex: Fact and Fiction

What’s the average penis size? How fast is premature ejaculation? Exactly where is the G-spot? Grab a ruler and a stopwatch as the experts sort sex myths from the facts.
By Rob Baedeker
WebMD Feature

If there were a roll call for the founding fathers of sex myths for men, a couple of no-brainers would surely make the list: porn legend John Holmes, whose yule-log-size penis still casts a shadow over anxiety-prone males. Ditto NBA-great Wilt Chamberlain, whose claim of having slept with 20,000 women makes Don Juan look monastic.

And then there's purveyor-of-sex-myths Walt Disney.

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"I think Walt Disney creates a lot of mythology," says Seth Prosterman, PhD, a clinical sexologist and licensed marriage and family therapist practicing in San Francisco. "In Disney movies, people fall in love and walk into the sunset, and you get this myth that intimacy is a given once you fall in love, and sexuality is natural and follows that."

In reality, says Prosterman, "Sex is something that we learn throughout a lifetime."

If sexuality is a continuing education, a lot of us are scrambling to make up course credits. And in a realm that's clouded by ego, myth and advertising that preys on anxieties, getting the facts about sex can be difficult. What is the average size of the male penis? How long do most men last during intercourse? Can men have multiple orgasms? Does the G-spot exist, and if so, how do I find it?

(Need to talk to the guys about something? Check out the Men's Health: Man-to-Man message board for straight talk.)

Penis Size: The Hard Facts

"Drastically enlarge the penis length and width to sizes previously thought impossible!" reads a website for the Penis Enlargement Patch. (One envisions a lab-coated mad scientist pouring chemicals on his own penis, then shouting "Eureka!" and phoning the Guinness Book.) Almost anyone with an email account has been deluged by spam for such miracle-growth patches and pills, and the endurance of sex myths may explain the pervasiveness of such ads.

"We equate masculinity and power with penis size," says Ira Sharlip, MD, clinical professor of urology at the University of California at San Francisco and president of the International Society for Sexual Medicine. "Of course, there's really no relationship." Still, Sharlip says, "all" of his patients want to increase their penis size.

The idea that bigger is better is "not just total mythology," says Seth Prosterman, who has counseled couples since 1984 and notes that some of the women he's worked with do prefer a bigger penis -- aesthetically or "fit-wise." But, he adds, "For the vast majority of partners, penis size doesn't matter."

So what, exactly, constitutes a big penis? Let's whip out some data:

  • The average penis size is between five and six inches. That's for an erect penis.
  • The flaccid male organ averages around three and a half inches.

Sex Fact: We Are Not Our Penises

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