There was too much they weren't saying, that she wasn't eager to give up the truth of the world she'd come from. Not anymore than was strictly necessary. And telling him what had become of him, what he'd sacrificed? That didn't feel necessary, not immediately.
Not when they had other things to worry about, not the past but the right now, the place they were now. "Your birthday." She finished what he didn't say, the date was not lost on her, she'd had many years to know Tony where it seemed he'd had only those few weeks with her.
The door though, that was different, and a house full of them - and a land named for the man who now stood there before her explaining all of this in that way that he had, keeping things light despite the depth of emotion he no doubt felt for his current situation.
"How did you get to this place?" That was where she drew herself up short, they had played with the timeline but with the return of the stones they should have cut off all alternate timelines, so this was one that did not fit within the world that she had just left.