I knew about Elliot Ackerman before I even met him. We were in different battalions, but our platoons fought across the street from each other down Route Henry in Fallujah 14 years ago. Even then, he had a reputation that preceded him. He was known for his competence and heroism, in addition to being a down to earth, no-nonsense officer with little regard for his rank.
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.