3 ) The boy is in conflict with his feelings; he resolves the conflict by eating at the milk bar, then forgetting about it.
The boy is starving and decides that he must eat something in order to survive. He goes to the milk bar since it is mostly empty. After the last customer leaves, he sits down and orders a large glass of milk and plate of vanilla wafers. As he drinks the milk and eats the wafers, guilt destroys him and he begins to sob. The woman at the milk bar treats him kindly and gives him another glass of milk. Satisfied with the glasses of milk, he's finally able to stop thinking about food and allows his mind to clear of everything.
