There are many good qualities required to be declared a "good rider." A solid seat, quiet hands, lots of know-how and experience. But to be a good show rider, you need one other thing—the ability to roll with the punches. Because if you can't, not only will you not win much, but you'll also stroke out. Showing horses is barely-organized chaos under the best of times.
And sometimes, it's not the best of times.