"Hence why we have to be careful about who we let overhear us. As far as I've been able to discern, as long as there isn't anyone local present, our own homes are safe- I have a spare room, in mine, you can help me prepare it tomorrow, for when you stay over."

When, not if. It's an inevitability he's not going to deny.

He reaches for his inside pocket, pulling out a notepad. It's looking a bit thin, and when he opens it there's clearly been pages torn out, nearly half at this point, and he scribbles quickly. "Here-" And without hesitation he rips the page out, folding it in half and offering it to John. "My address. We ought to be on the same road, Haven Street, but- just in case."