How many candles does it take?

He stood on tiptoes, peering at the Advent wreath, counting aloud. Then, “Okay, but if there are four Sundays on the way to Christmas, why are there five candles?” His sister had been trying to answer his questions, but with growing impatience she shrugged. “That’s the Jesus candle. Now c’mon … let’s go.” She reached for his shoulder to steer