Demosthenes noted, “What a man wishes, he will believe.” And - Charlie Munger

And once we get into microeconomics, we get into the concept of advantages of scale.

And deprival-superreaction syndrome also comes in: You’re going to lose the whole thing if you don’t put in a little more. People go broke that way because they can’t stop, rethink, and say, “I can afford to write this one off and live to fight again. I don’t have to pursue this thing as an obsession, in a way that will break me.

Man’s imperfect, limited-capacity brain easily drifts into working with what’s easily available to it. And the brain can’t use what it can’t remember or when it’s blocked from recognizing because it’s heavily influenced by one or more psychological tendencies bearing strongly on it … the deep structure of the human mind requires that the way to full scope competency of virtually any kind is to learn it all to fluency — like it or not.