You should share food with your family.
Pierce keeps a special stash of cookies for himself but his daughter is asking to have one since the family supply has run out.
Pierce wants to have enough cookies for himself.
Pierce gives his daughter one of his cookies and goes out to buy more to replenish his stash and the family supply.
Pierce tells his daughter she cannot have a cookie because they are for him only.
Pierce's daughter is happy and has a steady supply of further cookies.
Pierce's daughter doesn't understand why her father won't share with her and cries.