Women fake orgasms all the time. Now science has discovered a way of knowing when a woman is faking it, so that trick to keeping a man's vanity intact is essentially gone. A woman might have to say, “No honey, it didn't work.”
Ok, so who hasn't done it? The 'ol faking an orgasm. You know who you are. Next time you go to yell: "Yes, yes, yes," stop and think about how to actually get the real thing.