Morris gleitzman essay part:2

One of the most best thing that Morris gleitzman does in his writing is use humour in bad situations like if someone had cancer.he uses humour in his novel “two weeks with the queen”.”the businessman shifted in his seat and gave another grunt of pain.’is that a bit of cancer?’asked collin.the businessman stared at him.’i beg your parden?’.”morris gleitzman uses humour in this sentence because