There's a rule, I think. You get what you want in life, but not your second choice too.
Alison LurieMost of the great works of juvenile literature are subversive in one way or another: they express ideas and emotions not generally approved of or even recognized at the time; they make fun of honored figures and piously held beliefs; and they view social pretenses with clear-eyed directness, remarking - as in Andersen's famous tale - that the emperor has no clothes.
Alison Lurie