It was never a good sign when Tony walked in on someone and they were sitting very still and looking at something. Which was what was going on here -- and Tony would go as far as to say that Steve looked sad going on a little heartbroken over whatever it was that he was looking at.
It was enough to make Tony stop in the doorway, uncertain if this was one of those moments where he should be intruding or leaving before he was noticed.
Well, that second one was never going to happen. Tony was entirely too nosy for that, and also, well, Steve was his business. He ought to be here. "Hey," he said, knuckles rapping against the woodwork of the doorway. "You okay?"