He looks at him, steady and evaluative. The escalating intensity to the ground-out syllables is a firm indication of an interaction that would be adverse to Rush's goals if he wishes to continue to avoid attracting attention from other interested parties, which he does, and this leaves him with a very clear idea on how to best terminate this exchange in an expeditious manner.

"Inconsequential," he says dismissively, and pivots neatly to exit the way he arrived, Arista matching his steps with fluid synchrony.