"I've heard of them," he said carefully. May have seen them on the streets. No actual contact with other mutants, although he had the strong suspicion his grandmother was much the same. Not that she seemed to feel safe outing herself even to her own grandson. That wasn't his place to pry and his own power was already a strain on their relationship. The damage it had caused in ways no one could have anticipated before he understood his effect on the world without due caution.

He bowed his head momentarily, watching the hands moving, stretching, reaching without touching or wanting to touch. One hand gripping the counter himself, he looked back up and searched the other man's expression. There was a nearly-uncomfortable amount of familiarity in how the other man was speaking, as if he was used to this happening. Was that his power? Feeling the power of others? Useful and a burden at the same time, much like any other. "You're the first I've ever confirmed... Is there some kind of handshake I should know? Was that it?"