Cars also display their capability according to how they are used and controlled.
With a lump of iron also, it becomes strong according to how it is tamed.
With trees and plants also, their constitutions change according to how they are tamed and trained.
Look at the pine trees on top of rocks and plants in the desert.
They exist with a constitution that has been transformed according to how they are tamed by the climate of the nature.
A person’s brain, heart, and body also are made according to how they train and tame themself.