[A huff, almost a laugh. In the background, she may hear Tim mumbling- I'm already resting.]

Don't be smart. Lup says if you don't "chill", she'll have Magnus punch you when you're well.

[A pause, and dryly:]

And then I'd have to kill him. I don't want to do that, Tim. Lup and Magnus undoubtedly wouldn't appreciate it, either.

[They're joking, of course. Mostly.]