When Stanley first arrives at Camp Green Lake he is overweight, he has no friends and no self-confidence. He’s miserable at this term of his life and at the circumstances that brought him to Camp Green Lake. Despite his emotional dislike of himself, Stanley does still feel sympathy for the guard and bus driver that took him to Camp Green Lake, which is conveyed after the guard grumbles about the return drive: “Stanley thought about the long, miserable bus ride and felt a little sorry for the guard and the bus driver (13).”
However Camp Green Lake is hard on Stanley. Digging Holes in desert heat, Stanley begins to grow physically stronger, and loses weight. His body, like his personality, begins to harden due to the harsh conditions of Camp Green Lake. This is perhaps best demonstrated when Zero, another camper, admits he can’t read or write and would like Stanley to teach him. Stanley’s reaction is unsympathetic and unkind:
After digging all day, he didn’t have the strength to try to teach Zero to read and write. He needed to save his energy for the people who counted.
“You don’t have to teach me to write,” said Zero. “Just to read. I don’t have anybody to write to.”
“Sorry,” Stanley said again. (82)
Later, Stanley gets in trouble when one of his fellow campers steals a burlap sack of sunflower seeds. Stanley takes the blame for it and is sent to the Warden’s for the theft. When he returns to finish digging his hole, he finds that someone has nearly finished digging his hole for him. He realizes that Zero, who hadn’t been involved in the theft, had done the work for him. Zero’s act soften’s Stanley toward him. He agrees to teach Zero how to read. From this point on Zero and Stanley begin to grow as friends.
The hardness Stanley developed earlier does not completely disappear though. It’s just changed into a different kind of hardness–he becomes less sensitive, more confident in himself and as a result, willing to stand up for himself and others. On page 138, the Warden tells Stanley that he can no longer teach Zero how to read. Instead of accepting this as he would have at the beginning of the book. He stands up to the Warden. “‘Why can’t I dig my own hole, but still teach Zero to read?'” he asked. “What’s wrong with that?” (139)
Thus completes the emotional arc of the story. Stanley starts at an emotional low at the beginning and concludes the arc as a strong, confident and emotionally empathetic guy.