[Sam is a nice guy. That is Tony's impression from the answer he gives him and it is nice to have a sympathetic ear. But they are all stuck with the same sad situation and when Sam says survivor's guilt, Tony's expression takes on something more serious.]

I'm used to talking to myself, actually. It's a bad habit, I'm sure, but it helps me think. I didn't mean to make it sound worse than it is.

[Or point out the painful truth to another Scion.]

It's nice to have someone to talk to, though. I mean, everyone has been great, but I don't think most people want to talk about the ones who aren't here.

[He holds out a hand.]

Tony Stark.