Why does Sammy quit his job?

Sammy quits his job at the A&P grocery store in John Updike's short story because he is frustrated by the rigid social norms and the lack of respect shown to the three girls who enter the store in bathing suits. His decision is fueled by a desire to stand up for them and reject the conformity of his mundane life. Ultimately, Sammy's impulsive act of quitting is a moment of rebellion, reflecting his desire for individuality and a deeper connection to the world around him. However, he soon realizes the repercussions of his choice and the challenges that lie ahead.