One landmark study found that when women masturbate, 95% of the time they reach orgasm and that orgasm occurred within an average time of four minutes.
Compare this with similar research that orgasm rates don’t vary by sexual orientation by men but they do by women.
So, what do lesbian sex and female masturbation have in common? They focus on clitoral stimulation and have the highest orgasm rate.
While penetration has its place, it is nothing without the clit. The man who understands the clitoris and can delight a female partner will find himself very well serviced in the casual sex department.
If you want to sleep with a lot of women, then learn how to get a lot of women to want to sleep with you.