Auggie's head turned when he heard the other person coming in, aware that JARVIS wouldn't allow anyone in there that wasn't already approved to have access from Tony. When he heard the treadmill start he turned back to what he was doing, figuring he'd see if the other gym user would spot him for bench presses later on.
"What's next JARVIS?" he asked, the AI advising him that he needed to do three sets of bicep curls before proceeding to overhead curls for the triceps. Auggie felt along the weights rack for the appropriate weights and started the sets.