Great heroes need great sorrows and burdens, or half their greatness goes unnoticed
He thought, or said, or sang, I did not know that I was so empty, to be so full.
Heroes know that things must happen when it is time for them to happen. A quest may not simply be abandoned unicorns may go unrescued for a long time, but not forever a happy ending cannot come in the middle of the story.
We are not always what we seem, and hardly ever what we dream
The prince is very brave, to love a unicorn. A cat can appreciate valiant absurdity.