There's something (illogical) about morality Morality is a general philosophy theorum, what we ought do is not moral, it's literal, but why we ought do, anything, is a general philosophy theory of morality.
Buy food, to eat.
Buy food, to eat, it's good.
Buy food, to eat, to save yourself from starvation.
Buy food, to eat, to save yourself from starvation, it's good.
... Add it's good.
Truthfully we subtract goodness in commands, in philosophical analysis. Trying to teach someone to be moral may be effective but the word good is a pseudo.