The ideal chopped-salad customer is himself efficient: he needs to eat his twelve-dollar salad in ten minutes because he needs the extra time to keep functioning within the job that allows him to afford a regular twelve-dollar salad in the first place. He feels a physical need for this twelve-dollar salad, as it’s the most reliable and convenient way to build up a vitamin barrier against the general malfunction that comes with his salad-requiring-and-enabling job.