One of the most important work of Arthur Miller was the Death of a Salesman. In this tragedy the author focuses on the life of the Loman family- the life of middle-class people-, where the conflict between the protagonists drives the narrative of the play. Two of the main characters are Biff and Happy, who despite the fact that they are siblings, in many ways they are total opposites of each other. Biff is the embodiment of a clear-minded person, who is able to face with the sober facts for the end of the play, while Happy, thanks to the eternal rivalry with his brother and the continual urge of proof towards his parents, never manages to break forth from his father's wonder-world.

In the time of the story Biff is in his early mid-thirties, but in spite of his age he behaves as a little child. He...