Yeah, that really doesn't surprise me. It might also be experience? I mean, my world's Tony Stark has been Iron Man for a long time. Like 20-something years long. No matter how confident or charismatic you are, this kind of life can change someone over time. I've barely been doing this for a year and I feel like a totally different person than the day I started.

[For better or for worse. Though, despite all the awful things he's witnessed or experienced since meeting Nate, he likes to think it's mostly for better.

He also doesn't want to make her worry more, so after a moment's consideration, he adds-]

But our Tony also isn't dating you, so I think yours has a big advantage there.