"I believe we do," said Anton, now meeting Callaghan's gaze, and catching the ... something close to hunger, perhaps. Definite frustration. For all that Callaghan was trying to cast a shadow over Krei, having Callaghan out of the conversation was probably the best for both of them. "Thank you, Professor. I shall see you another time."

If Callaghan didn't avoid the Hotel for a while. ... Or even if he did. Hm. Whatever was happening between the two, at least it was mutual.

Anton turned his attention back to Krei. "I am familiar with holograms," he said, though of course the ones he was familiar with were made of magic and weren't holograms at all. "They will be more useful than buttons. All I require is that they are big enough for me to see and use--I have an unsteady hand, on occasion."

Side-effect of having the gist. Sometimes its presence shook him, even when he hadn't used it.