[Dammit. Now he'd keep seeing Johnny's expression if he did take a knife to the thing. There is a chance that Jack was looking for an excuse not do it, and that he knew he could count on Johnny to conveniently offer one with his inherent goodness. When Johnny describes it as naked and weird, something protective does creep into his voice.]

Stop insulting him. You don't think you look weird when you're naked? [Jack smirks, an eyebrow jumping like he's daring him to prove it.] I don't suppose you'd be willing to sacrifice "Squeaker" here to make him a fur coat?

[It's a dark sense of humor. Squeaker owes him a nip for that one.]