Training can only teach you so much. There are certain things that you can’t understand unless you’ve lived it. Surviving a firefight is one of those things. The tension is high, and adrenaline fuels your every move. Every moment is life and death as grenades fly and bullets whistle past your ears.
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.