[That's... very different from what he was expecting. TDD isn't unheard of - his medication is lab-tested, after all - but he doesn't think he's ever actually talked to anyone else that had it. It... does makes sense that it would exist in other worlds, though.

There's a moment where Dodger fails to keep the surprise off his face, the bright curiosity. And then he forces himself to look back at his book.]

I'm not sure. [Almost the truth.] My memory's not very good. But it must have happened... three or four years ago? I don't think it happened all at once, just... a lot of little things.