four o'clock
He understood typhoid fever , pneumonia , and appendicitis -- one had them , and either died or got over them and went back to work -- but when the word `` nervous '' appeared in a diagnosis he became honestly suspicious : he had the feeling that there was something contemptible about it , that there was a nigger in the wood-pile somewhere . `` Look at me , '' he said . `` Look at what I did at his age ! Why , when I was twenty years old , was n't I up every morning at four o'clock choppin ' wood -- yes ! and out in the dark and the snow -- to build a fire in a country grocery store ? And here Bibbs has to go and have a DOCTOR because he ca n't -- Pho ! it makes me tired !