Read what happens after the narrator learns that his brother has a developmental disability. it was bad enough having an invalid brother, but having one who possibly was not all there was unbearable, so i began to make plans to kill him by smothering him with a pillow. however, one afternoon as i watched him, my head poked between the iron posts of the foot of the bed, he looked straight at me and grinned. i skipped through the rooms, down the echoing halls, shouting, "mama, he smiled. he's all there! he's all there! " and he was. –“the scarlet ibis,” james hurst what does the imagery “i skipped through the rooms, down the echoing halls, shouting, ‘mama, he smiled. he’s all there! ’” show about the narrator? the narrator’s urgent voice shows that there is something very wrong with doodle. the echoing sound of his voice shows his excitement that his brother is communicating. the brother’s skipping shows that he is not in a hurry to share his news with his mother.