In 2003, Tyson Manker was a 21-year-old Marine corporal leading an infantry squad during the invasion of Iraq. He saw combat, served under fire, and witnessed the indiscriminate violence of war first-hand.
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.