

This article is an excerpt from the Shortform book guide to "She Comes First" by Ian Kerner. Shortform has the world's best summaries and analyses of books you should be reading.
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What are some common misconceptions about sex? Why are men more susceptible to believe these?
There are many traditional beliefs about sex that are based on male anatomy and rarely on female anatomy. Because of these beliefs, women often don’t experience the same pleasure men do during sex.
Let’s look at the different male-centric sexual misconceptions and how they impact sex.
Male-Centric Sexual Misconceptions
In She Comes First, Ian Kerner explains that traditional beliefs about sex—like what it’s supposed to entail, how long it’s supposed to last, and how to know when it’s over—are based on male anatomy and rarely result in female orgasm. So the first step in learning how to please your female partner is to understand what these misconceptions about sex are and why they prevent female orgasms.
First, most men believe that penetration is the part of sex that feels best for men and women; however, Kerner explains that this is not the case for the vast majority of women. Most women need external clitoral stimulation to have an orgasm, and vaginal penetration alone fails to do this. Consequently, men are more likely than women to orgasm during sex.
(Shortform note: Kerner explains that men are more likely than women to orgasm during sex because their preferred method (penetration) is based on what pleases them, not what pleases women. Experts agree that heterosexual women generally have lower rates of orgasm than their male partners and add that women in lesbian relationships are much more likely to orgasm during sex. Whereas heterosexual women orgasm during sex with a familiar partner 61.6% of the time, lesbians orgasm 74.7% of the time. Researchers suggest that this might be because the expectation to prioritize male sexual pleasure is absent in lesbian relationships.)
Second, men can both get aroused and reach orgasm much faster than women. Whereas most men orgasm within two minutes of stimulation, women generally need more than 21 minutes of clitoral stimulation to reach orgasm (not including foreplay). Consequently, men tend to orgasm before their female partner is even close.
(Shortform note: Many experts agree with Kerner that the fast pace of male arousal and orgasm can cause issues with sexual compatibility among heterosexual couples. However, some believe that these issues may dissipate as men get older. They elaborate that starting around age 50, the pace of male arousal and orgasm tend to slow down and more closely align with that of women—rather than getting quickly aroused and erect from thoughts alone, men over 50 tend to need more physical stimulation and foreplay. This leaves more time for kissing, cuddling, touching, and so on, which provides women with the proper foreplay they need before sex and makes the experience more satisfying for both partners.)
Third, sex is traditionally over once the man ejaculates. Kerner explains that this is because after ejaculating, men tend to quickly lose their erection, arousal, and energy and need a long recovery period before being able to have sex again. This is called the “refractory period” and varies in length between men. Since men usually orgasm first and then tap out, women often don’t get the chance to orgasm at all before the session is over.

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Here's what you'll find in our full She Comes First summary:
- Why traditional sexual practices leave women unsatisfied
- Why men should ensure their female partner orgasms first
- An instruction manual on how to satisfy women and engage in the best sex possible