The man turns at the touch on his shoulder to see Nathan approaching. His salt and pepper hair, glasses, and neatly trimmed goatee accentuate the look of a professor. He holds up his hands as Nathan nears him, "Now just calm down. There's no need to make a scene."
He lowers his voice to a conspiratorial whisper, "Though I'd tell your friend that a public restaurant is hardly the place to be demonstrating his rather unique talents."
Amy notes the group's server stopping to watch the scene and turning around to head back into the kitchen.