What are the the characteristics of jimmy from the beginning to end in the story a retrieved reformation?

At the beginning, Jimmy is a notorious safecracker who is unrepentant about his criminal activities. However, after falling in love with a woman named Annabel, he decides to turn his life around and become a better person. By the end of the story, Jimmy demonstrates a willingness to sacrifice his own freedom to save a child's life, showing that he has truly reformed and developed a sense of morality and empathy.