Just don't do drugs, even if it's something as minor as hookah. You make it sound like you can't even put down the hookah for more than a week before the urine analysis test at R-Day. If you can't control yourself and need to have a smoke every day, then Beast is going to be hell for you.
They kicked out 10+ midshipmen at the naval academy for using Hookah Pens. West Point is no exception.