Read this excerpt from Infinite Jest. I cannot make myself understood. ‘I am not just a jock,’ I say slowly. Distinctly. ‘My tra
nscript for the last year might have been dickied a bit, maybe, but that was to get me over a rough spot. The grades prior to that are de moi.’ My eyes are closed; the room is silent. How does the narration affect the narrator’s credibility in this excerpt?