They said that our home - [He gesticulates with his hands just like he always used to back home, clearly thinking out loud.] - Stark Industries, the Avengers, our Earth and Asgard and whatever else was created entirely from... someone's mind. But that this place is... real. But I don't believe pamphlets. Or women on phones - and no no, not that phone, I have one of those too and it works fine. My phone.

[He pulls out his Starkphone and the new one, which looked completely different. Tony's was, obviously, way more sophisticated and thin. And awesome. And had JARVIS.]

...you know what apps are? Anyway, no, he wasn't just an app. I made him. He runs my house. all of my houses, and my suits and... he was an Artificial Intelligence. Not that it matters, because he isn't here.