At my age, I no longer care about Jungian tests of my original head. The sharpening, permanently doubled my intellectual capacity.
Taking a new step, uttering a new word, is what people fear most. ― Fyodor Dostoyevsky, Crime and Punishment
The knowledge of some things as a function of age is a delta function.
The sharpening of my head produces a coronal discharge. This causes sparks to be emitted when the air is dry. Because of this an eerie glow is concentrated at the apex. This makes people think I am bright regardless of that IQ nonsense.
In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.