Willy is a salesman who has been working for the same company for over 30 years. He is struggling financially and is on the verge of being fired. Despite his circumstances, Willy refuses to accept that he is anything but a successful salesman. He believes that he is just one big sale away from making it big.
Willy's pursuit of the American Dream is his downfall. He is so focused on achieving success that he ignores his family and friends. He is also unwilling to face the truth about his own life. This denial leads him to make increasingly poor decisions, which ultimately result in his tragic death.
Willy Loman's tragic flaw is a cautionary tale about the dangers of pursuing the American Dream at the expense of everything else. It is a reminder that success is not always worth the sacrifice.