The dog in this section is a metaphor for David himself. David is trying to justify his actions by saying that his desires were uncontrollable. He believes that he shouldn't have to be punished for something that he believes is part of his own nature."But desire is another story. No animal ill accept the justice of being punished for following its instincts" (90). I don't think he understands that sometimes our desires are not acceptable. For the most part, I really don't agree with him. When our instincts may be unacceptable and wrong, we should not pursue them because they may go against basic principles and morals. He compares himself to a dog and believes that he should not be punished for going after something he truly desires. Although i believe in the bigger message of what he says, I don't think this idea of fulfilling what we really want should be pushed the extent of fulfilling something that is wrong, if that makes sense. We should follow our instincts with good judgment.