"She's probably come to tell me about all the trouble I'm causing her and about how glad her and the old man'll be when I'm dead. Well, tell her to leave me alone. For once" ---his voice broke--- "for once just to leave me alone." He was struggling to sit up, but he suddenly gasped, went whiter than the pillowcase, and passed out cold.
Talk about the reasons why Johnny and his family have come to this state. Why is the whole situation a tragedy?