”Although just what the connection between sweets and their hotel accommodations might be escapes him entirely.”

Oh bless him!! What a wonderful moment! It’s also great seeing things like different languages and different electrical sockets through children’s eyes, for the first time. You describe it all with so much wonder . . .

”So even though no one is coming after him, that doesn't mean that nothing will happen to Tristram. Or to Father. Or Doctor Watson, or Emily, Tristram finds himself mentally adding, to his slight surprise. He doesn't want anything to happen to them, either.”

I think John’s right to suggest some help for Tristram; he’s obviously a very worried little boy, but having a father like Sherlock, there’s no way for him to let it out.

Well, the sleeping arrangements will do for tonight, but I guess they’ll change very soon!