"Did he feel as if his dead brother were the rightful Vincent, the one who would remain perfect in his parents' hearts, and that he was merely an unsatisfactory replacement?"
Vincent's frustrated. He feels he doesn't fit in, or that he isn't good enough like his brother. I'm not great at wording things but, the answer is frustration.
Does Chin-Kee’s presence change the way that the other characters in the chapter view Danny? Support your answer with at least two pieces of specific evidence from the text.