"Get a cat, for Rassilon's sake, Theta," Koschei said, exasperation tinting his voice as he squeezed his shoulder again, resting his head a bit heavier against the Doctor's. "It would give you someone to ramble all of your baggage at without the burden of having to burden someone else. And bloody hell, you need someone to talk to. You know as well as I do that you don't do well on your own."