Why was the narrator sometimes angry with and disappointed in dooodle?

The narrator always described Doodle as being a disappointment because of his large head and tiny, shriveled body so therefor Doodle cannot complete the physical feats that the narrator wants Doodle to perform. Also The narrator cannot stand the idea of having a brother who is not "all there". He also gets tired of Doodle's incessant questions.

Explanation:

It was always anticipated that Doodle would die in infancy.

the sun warms our planet, and with the moon, creates the tides. the moon orbits the earth and in turn, the earth orbits the sun. because they appear to be the same size in the sky, the sun, earth and moon work together to create eclipses. when the moon is directly in between the earth and sun