Sooner or later, the ones who told you that this isn't the way it's done, the ones who found time to sneer, they will find someone else to hassle. Sooner or later, they stop pointing out how much hubris you've got, how you're not entitled to make a new thing, how you will certainly come to regret your choices. Sooner or later, your work speaks for itself. Outlasting the critics feels like it will take a very long time, but you're more patient than they are.