"What do you need boy robes for?" inquires Madam Malkins.
"I'm sometimes a boy," the girl explains.
"What?"
"Look—"
"I, yeah? I don't know, though – I'm not really very sneaky? Books are good but they're not everything?"
"Well, no one you talk to will have been witness to me making a mistake." The train lurches a bit... and starts slowly moving. "Oooh we're going!"
Thea laughs, still looking a little nervous. "– I don't think I actually keep any counters like that."