From the moment prospective Marines step onto the yellow footprints painted on the deck at boot camp, they’re inundated with two centuries of heroic deeds and sacrifices made on beacheads and in jungles, city streets, and deserts across the globe. The reasoning is pretty simple: Marines are their history.
Benjamin Franklin nailed it when he said, "Fatigue is the best pillow." True story, Benny. There's nothing like pushing your body so far past exhaustion that you'd willingly, even longingly, take a nap on a concrete slab.