Whenever you start playing a new first-person shooter, there’s a steep learning curve. Those first few days of gameplay are full of embarrassing killcam footage, accidental friendly fire, and catastrophic misclicks.
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.