He knew that intonation very well. When he had been younger, Caractacus had theorized that all women, upon becoming mothers, were endowed with the ability to ask certain rhetorical questions of their offspring that only had one right answer. For a moment, Caractacus felt a pang of longing for his overbearing, formal, remote mother, a woman who bore not the slightest resemblance to Ms. Prince.
Still, Caractacus had learned at a very early age the answer to this particular question. He nodded his head in acknowledgement; children fought the question, but there was no reason to. Ms. Prince was going to perform him a service and wished him to acknowledge it.
"Please, Ms. Prince." He murmured softly, then looked her calmly in the eyes, "I believe I forgot to say Please to you."