Guy Montag in Fahrenheit 451, and his duality.

Guy Montag, the main character in Fahrenheit 451, goes through a huge change. He starts out to be a fireman; someone who burns banned books (a book that is illegal to have or read because it is thought to be "inappropriate" by some group or organization, or the like). In the book, you were said to be a criminal if you owned a banned book, or even if you read it. Montag changed a great deal, …

…slowly began to make new friends, Montag still missed Clarisse, and wanted her to be back in his life and talking to him like she did before. Faber began influencing Montag, starting to make him look at things differently, Clarisse continued influencing him and made a big impression in his thinking, and the old woman showed him her love for books, causing Montag to realize books, and make them a bigger part of his life.