Anyone who has served has at some point been forced to endure a ceremony where you are required to stand painfully at parade rest for what feels like an eternity. Some suggest it’s a myth that locking your knees causes fainting. These people are wrong.
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.