Cato the Censor taught himself Greek when he was in his 80s. Actor Ian McKellen is still working in his late 80s.
You can never stop learning (and crunching and blasting, too, for that matter).
Ignoring innate desires crafts the most disgusting and neurotic of animal. Now, I agree, if we are to be civilized, we should curtail or even blunt some of these. But to wholly ignore, and more, to make such things “the height of moral failure” is a recipe for such dissonance that the body and mind stand no chance …
Why?