"I know." That's all he says for a long time, he's given up on ever truly seeing eye-to-eye with Cap. He's still glad he got that out all the same. He speaks up again almost ten minutes later, conflict tugging his face in different directions even while his eyes remain glued ahead.

"Whatever happens in there... When we see him. I--" He bites into his lip, what is there to say, really? This is the mother of all fucked up situations and of course he volunteered himself. "I hope it's what you're looking for." Tony isn't confident it will be at all, but he's willing to take this chance for him. Why, he still doesn't exactly know. Or refuses to pinpoint it, in any case.