You owe it to the world to do what you love, to have passion for your work. There are too many people going through their daily lives on autopilot, doing what has to be done, regardless of whether or not they have the desire to do it. There’s honor in that responsibility, but really, you only have one life.
If you’re a size 11 you know what you should do. (Otherwise, gray and khaki available in various sizes)