"So, Harry," Jean says during the drive, on the way to meet Lena (Harry would not be dissuaded from meeting with them as soon as possible, despite still obviously being injured and infected and run-down in general, and considering how kind she'd been to him even after his breakdown you can't claim to be surprised at this,) "what would you say is the most important thing you did in the last week?"

Harry, who seems to only recognize sarcasm when it suits him, answers exactly as you expected: "The karaoke, of course... why?"

Jean groans, but you can't suppress a smile as you make your way along the pock-marked streets - it's a matter of perspective, you suppose, and you're sure Harry knows damn well it wasn't the most critical thing he'd done, but it was probably the most important thing in terms of his personal re-development (though there is also the possibility that he is making a joke at Jean's expense; you have the distinct feeling that the two of them did that quite often in the past.)