Every Christmas Performer and the Santa or Mrs. Claus family member needs to read this. For weeks, sometimes months, the world looks at you as something luminous. You are the keeper of wonder, the answerer of letters, the embodiment of generosity in red and white. Children tilt their faces upward and believe again. Adults soften. Camera flash. Hugs come freely. You carry stories heavier than the sack on your shoulder and joy lighter than snow. Then December ends. The suit is