a woman in her twenties

it's a woman's choice to decide how to spend her twenties (fornicating, developing her career, traveling, etc.), but why isn't similar freedom afforded a man to decline to invest his accrued worth into a late-twenties or early-thirties woman? let's judge a person's character by what they do when all options are on the table. it's easy to settle for marriage when it's the only option one has left that you find attractive.