What is the main external conflict in story The Scarlet Ibis as it relates to relationship with brother?

In the short story "The Scarlet Ibis" by James Hurst, the main external conflict revolves around the character's relationship with his younger brother, Doodle, who is born with severe physical disabilities. Doodle's condition creates a divide between the two brothers and triggers internal struggles within the narrator. The conflict arises from the narrator's desire for Doodle to be "normal" and the frustration and bitterness he experiences as he tries to help his brother overcome his limitations.

The narrator feels a sense of responsibility toward Doodle and desires to make him stronger and more capable. He pushes Doodle physically, forcing him through rigorous exercises and challenges to improve his walking and overall health. However, Doodle's progress is slow, and the narrator's efforts ultimately end in failure when Doodle succumbs to nature.

The narrator's conflict is reflected in the symbolic presence of the scarlet ibis, a striking and rare bird that symbolizes Doodle's uniqueness. The scarlet ibis is described as beautiful but fragile, and its appearance foreshadows Doodle's tragic fate. The narrator's obsession with helping Doodle becomes the catalyst for their falling out, leading to the story's dramatic conclusion.

In summary, the external conflict in "The Scarlet Ibis" arises from the narrator's struggle to accept and understand Doodle's disabilities. This conflict impacts their relationship and leads to the tragic climax of the story.