[Steve is just a little older than average age of most of the soldiers he fought with - and a lot older than some of them. His sixty seven year-long nap notwithstanding. So he definitely doesn't think anything of the fact that Souji looks younger, really.]

I'd like to think so, yeah. And I figure I'll just keep making sure I'm worthy of it, every day. Best I can do, right?

[Not that he's ever settled for his best, even.]