1) The narrator recalls being taught to walk by their older brother as a young child with disabilities, and the adventures they would have together.
2) As the narrator gets older, the brother pushes them harder in physical challenges to prepare them for school, but the narrator becomes sick and tired.
3) After seeing a scarlet ibis bird that was too weak to fly, the narrator has a breakdown in the rain during training with their brother, who leaves them behind, similar to how the bird was abandoned.