We say "frustrating" for a pair of motives: 1, since of Jiro’s relentless and obsessive pursuit of perfection, it’s at times really hard to view a person produce these thoughts-boggling dishes that are at the peak of the sector (his Toyko restaurant, Sukiyabashi Jiro, was the to start with sushi restaurant in the environment to realize 3 Michelin stars), yet nevertheless appear to be unfulfilled - probably that is what can make him so good,.