He looks relieved already at the answer, but still chews his lip for a little while, trying to put together an explanation. It's surprisingly tricky -- he's not used to having to order his thoughts and voice them usefully -- and it's tempting to give up and say nothing. But -- speaking for yourself is supposed to be what being an adult is about, right? What being a human person is about.
no subject
So he soldiers on.
"You... stammered, before," he offers. "As well?"
It makes sense in his head.