But most of us spend our lives building up walls between us and anything unpleasant . . . not understanding how dependent this makes us. The whole point of success, we feel, is to never have to struggle, to have not only what we need but everything we want on demand: hot water. Nice clothes. Food—of the finest ingredients, cooked by the best restaurants . . . delivered to our door in minutes—at the slightest pang of hunger.
