Ah such a great little fic! This -- The idea of sitting at home was, though pleasing to his physical body, intolerable to his spirit. So Harry! Even at 100+! I loved his little journey down memory lane, all the details you put in about his old cases and old scars and wounds. And the ending made me laugh--rather bitter sweet. Change is inevitable and time goes on, but it's not always the easiest thing to accept. Wonderful portrait of him!