Means you lack the discipline to push yourself hard enough to ben good at math... Or your brain is dense in the wrong sections (without a dense/large PFC, what'

Means you lack the discipline to push yourself hard enough to ben good at math... Or your brain is dense in the wrong sections (without a dense/large PFC, what's the point of the rest of it?)... Or you haven't learned the right techniques... Or your environment keeps you from using your brain 100% (living with people dumber/lazier than you does this)... Or...