Pro-level athletes are training hard, and spend an awful lot of time being miserable, both due to constant training, and lots of time away from home. After all

Pro-level athletes are training hard, and spend an awful lot of time being miserable, both due to constant training, and lots of time away from home. After all that misery now you've got a real shot at a Cup? You bet your ass they're going to stay in the game until they can't. And then there is the financial incentives for winning the championship...