To Kill A Mockingbird Growing up.One of the most important stage of human lives. It is the part that humans reach maturity, become adult, and attain full growth. Also, it means one more thing. It could mean understand more about the society. In Harper Lee's To Kill A Mocking Bird, it shows the different ways of growing up and different kinds of growing up. There are three main character who went through the process of growing up. Scout mentally grew up. She learned a lot about Maycomb County in the book. Jem went through a process of growing up that every adolescent would go through. Aunt Alexandra also went through a mental growing up