Of all the harrowing, intimidating arms and artillery dreamed up by military engineers over the last few centuries, few induce the instinctive evacuation of enemy bowels like the sight of a heavily-armed battle tank rolling up on a fortified position and crushing everything in its path. There’s a reason the M1 Abrams and its various iterations have remained a staple of the U.S. military’s front-line deployments: They’re big, they’re effective, and they scream “game over, man, game over!” the minute they rise over the horizon.
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.