"How do you feel, good?" Eva Diakakis says to a longtime customer, Murray Rifkowitz, who is in for his daily breakfast at the Bendix Diner. To his son, Sheldon: "You want more coffee, Shelly? More coffee?" Diakakis grabs the pot of decaf, delivers their egg whites, potatoes and wheat toast. She makes it all look easy, when in fact under her quiet manner is a trove of knowledge honed from spending the past 27 years waitressing at the Hasbrouck Heights diner. She knows that Murray Rifkowitz has health issues and requires salt-free food, and she even makes sure he occasionally...