Truthfully it was the call for him to wait, that he could stay that really got it into his head that he wasn't his dad. Dad would never have said that, it wasn't like was mean, not really, Tony knew he was busy, that he had things that he needed to take care of, that he couldn't stop just to see what Tony wanted or whatever. It was fine. He knew it was fine. It was even more fine because this wasn't his dad, this was -
Well Tony wasn't totally sure, he looked like someone he should know but he couldn't quite place it.
But with that permission he'd gotten Tony steeled himself and crept forward again, moving over to where he was working, reaching up to grasp the edge of his work table and stand up on his tip toes to get a better look at what he was working on. "What are you building?" He asked, because obviously that was more important than who he was after all.
"I've got a work shop at my house, but it's not like this." He explained. "I'm Tony." He added because maybe he should do that, because this wasn't his dad. "Why do you look like that?"