The protagonist learns through experience that life presents numerous challenges and that success often requires determination and hard work. He realizes that not everyone has the intelligence or capability to easily fulfill their ambitions, which makes the pursuit of his desires more difficult than he had initially anticipated.
Furthermore, he understands that achieving personal autonomy and the ability to dictate his own choices requires significant effort and perseverance. This revelation underscores the theme of struggle in the journey toward self-determination and the complexities of navigating one's desires in life.