Without additional context regarding the specific text or story you are referring to, it’s difficult to select the best answer definitively. However, if the question revolves around realizations that often come after someone's death, the statement that might best capture a deeper understanding could be:
His father's attitude was a result of his place in the world.
This option suggests a recognition of how external circumstances shaped the father's behavior, which is often a profound realization that people come to after reflecting on their relationships after loss.