What is In "The Three Brass Pennies," how does Ah Fo’s decision to choose his own wishes affect the magician? It upsets him and he makes sure that Ah Fo’s wishes do not come true. The magician is confident that Ah Fo will achieve his purpose. It worries him because he fears Ah Fo’s wishes will cause him problems. The magician is impressed that Ah Fo wants power more than gold.