What are Troy's weaknesses and how do these weaknesses represent flaws in his character that influence the action in the play?

Troy lives in the past and fails to recognize that the world has changed His father was brutal and controlling, and although Troy loves Cory, he knows of no other way to bring up a son. Thus he repeats the mistakes of the previous generation.

Troy feels a need to control every element of his life and even declares that he will fight death if necessary. His affair with Alberta represents his attempt to escape the responsibility he feels for wife, son, and home. Unable to open up to those that he loves, Troy keeps much of his emotion inside, building imaginary fences between himself and his family and friends. While he realizes the financial responsibility of being the head of a family, he fails to grasp the emotional part of the job. Troy finally succeeds in isolating himself from his wife, his brother, his sons, and his friend.