[He groans, aggravated, but decides to concede a little ground.]

I do care a little bit that he gets into trouble, yes. He's got the same exact face as me, after all, and the last time he had free reign on this side of the mirror he endeavored to assassinate my reputation. So he's a bit of a liability to my good name.

[Every good lie has a kernel of truth to it and while Mettaton may not actually have this worry now, he did almost a year ago when Mirrorton went on his little rampage and nearly killed a little girl to make a statement.]