What does Nick decide to do after visiting his father in the hospital?

After visiting his father in the hospital, Nick decides to become a left-handed writer. This decision often symbolizes a desire for change or a new beginning, reflecting a sense of adaptability and growth. The act of switching to writing with his left hand may also represent his attempt to forge his own identity or create a personal connection to his father, who may have influenced this decision through their relationship. Such a choice highlights themes of personal transformation and resilience in the face of challenging circumstances.