Great info, wisdom, and fun as well.
Side note: I have looked up the Plutarch reference (athlete vs. military training) Chief was talking about, here it is for those are interested:
..the habit of body and mode of life for athlete and soldier were totally different, and particularly that their diet and training were not the same, since the one required much sleep, continuous surfeit of food, and fixed periods of activity and repose, in order to preserve or improve their condition, which the slightest influence or the least departure from routine is apt to change for the worse; whereas the soldier ought to be conversant with all sorts of irregularity and all sorts of inequality, and above all should accustom himself to endure lack of food easily, and as easily lack of sleep.
(Plutarch’s Lives, Philopoemen)