Clay Luthy’s bad knees have been operated on five times over the years, and they kept him from re-enlisting in the Air Force. He can’t bend his left one, and he has to go easy on his right.
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.
And no one knows that better than military service members and we have the pictures to prove it.