"He went through this process last year, and he just told me it's a grind," Robinson said. "The main thing to do is to stay in shape and stay hydrated and just take care of your body. The rest will settle itself. He said these workouts are tough. They're going to try to get to you; they're going to try to break you. Don't let 'em break you. Just keep grinding. It's a long grind, a long five or six weeks. So just be prepared."