An idea perpetuated on manosphere blogs that women casually
sleep around in their 20's with hot, non-commital
player types.
Then, supposedly, when they
hit their 30's and lose their looks, they realize they wasted their prime man-snagging years and become desperate to settle down, often with a boring, dependable flavor of guy they previously had no interest in.
Karen spent her
late-twenties riding the cock carousel with a bunch of guys in bands that just wanted sex.
Now she's 33, past her prime, and
dating an accountant who's she's pressuring to have kids with.