The character's smile reflects a significant change from the carefree, youthful demeanor he once possessed. Now, it carries a sense of exhaustion and traces of past traumas that he has faced, showcasing the weight of experience. The transition from innocence to understanding signifies a deeper journey of growth and survival.

This evolution implies that wisdom often comes from hardship, and the smile indicates a mature perspective shaped by challenges. While he may have mastered his fears, they linger below the surface, hinting at the complexities of his character and the realities he has endured.