In hatchet what evidence does it say how has surviving in the wild changed Brian from a city boy into a completely different person?

Brian's survival in the wild has changed him from a city boy into a more independent, resourceful and resilient individual. He learns to adapt to his environment, find food and shelter, and overcome challenges using his wits and determination. This transformation has made him more confident and self-reliant, shaping him into a completely different person than when he first arrived in the wilderness.