In chapter 12, Why is Johnny ready to let Doctor Warren operate now?

By this point in the story, Johnny has come full circle. He no longer shies away from physical pain or work, as he did in the early chapters set at the Laphams’ house. As Johnny holds the musket, Dr. Warren gets a good look at his hand for the first time. He explains that he can operate on the hand to give Johnny back the use of his thumb. However, Johnny will have to be brave enough to allow Dr. Warren to cut away the scar tissue. Johnny agrees and Dr.