Think fast. You work at a hospital in Rome when the Pope stops by to, you know, comfort the children. So you take him to the bed of a sick child and the child bursts into tears. What are you supposed to do in that situation? Think about it. A sick child is trapped in a hospital room with nowhere to escape when all of a sudden this face appears out of nowhere:
But the face belongs to the Pope. How do you explain the frightened tears? If you're as smart as the nurse in Rome, you say what she said: "It's the white. He can't take anymore of these white coats."
Riiiiiight. The kid's afraid of the color white.
MAKE THAT COLOR