"What?" It takes him a moment to glance back and notice what John saw, but he blinks when he realises. "Oh- yes, that. Hold on."

And he lets go of John for a moment so he can, with a slightly triumphant air, rip the notice for John off the board.

"I was- worried, when I got here, when I couldn't hear you," he says, almost apologetically as he shoves it in his pocket on his way back to grab John again. "I-I didn't want you to end up here and- and not know if I was."