Too often dogs are like Aesop’s fox with the grapes. The fox wants the grapes but can’t reach them. Feeling upset she walks off and blames the grapes, saying that they were sour and unpleasant anyway. Some dogs have learned to not look at a piece of food, already blaming it for the uncomfortable feeling of being pulled off balance, and therefore deciding that they do not want the food. As a puppy there would simply be desire and we must strive to help the jaded dog return to that pure state of desire.