To be physically fit is just a small aspect. You can be a beautiful physical specimen, but you're empty as far as what it takes to be a person, and that shows up real fast.
“Mourning is not forgetting... It is an undoing. Every minute tie has to be untied and something permanent and valuable recovered and assimilated from the dust.”
“All the dark, malevolent Passions of the Soul are roused and exerted; its mild and amiable affections are suppressed; and with them, virtuous Principles are laid prostrate.”