[ He doesn't quite groan, but it's a near thing. ]

This is a terrible plan. You realize that, right? Like, there are so many unknown variables here I can't even count them all. JARVIS can't even count them all.

[ Tony waves a hand vaguely at ceiling. And then sighs. So what does it say about him that he's doing it anyway? ]

Fine. Talk to JARVIS, he'll get you hooked up.