At the end of this story, the protagonist seems to be at which phase in his life?

Which story?

Use context clues for this question.

Does the protagonist seem young and child-like? A teenager? An adult?

How does your protagonist act and show emotions. Use the emotions and actions of your protagonist to form a hypothesis of how old your protagonist is. For example if your protagonist has to go to school they could be in their child to teenage phase of life.