Jack takes a little while - by the time he's back, he looks like he's sobered up a little too, and something almost approaching bashful for it. He's got the keys in hand, rolling them back and forth in his palm, but his attention is on Tony.

He doesn't say anything at first, just heading over. Then he offers his hand.

"Thank you, Tony." Could be sarcastic, but it's not, so painfully genuine that it's probably kind of embarrassing for both of them. People like Jack and Tony don't do genuine too well, usually. "I mean it. I know it probably doesn't mean much coming from me, but Sofia appreciates it too, I'm sure. Everything."

It's not that the handshake is a trap - it's just that if Tony takes it, Jack changes his mind, leaning in to give him a one-armed hug instead.