What discovery does the narrator make at the end of the story as he cradles his brother's little body in the story the Scarlet Obis?

In "The Scarlet Ibis," the narrator discovers the true extent of his love for his brother, Doodle, as he cradles Doodle's lifeless body in the rainstorm. It is a moment of profound realization that he pushed Doodle too hard out of pride, causing harm instead of helping him. The narrator finally understands the impact of his actions and the depth of his brotherly bond as he grieves over the tragic outcome.