Even though Dad was the one to push Harry overboard, the little boy still remains naïvely hopeful that his father will save him and Miles. Miles, who knows that Dad will not be rescuing them, focuses all of his energy on trying to keep his little brother alive. This conviction shows that Miles is more of a parental figure to Harry than their own father. The fact that Miles immediately blames himself for Harry’s being cold also demonstrates how tempting it is to look for blame even within senseless tragedy.