Woah, alright then. She even leans back a little at the coldness in his face and voice when he tells her that he'll just go ahead and kill her should she ever stab him in the back. Shit, she's been threatened before (it's almost a weekly thing, really), but there's something about the Master that kind of lets even her know that he isn't kidding.

"Well, that's an effective way to get rid of traitors, I'll giveya that." She shrugs. "But uh, it's alright sugar, you don't gotta worry about backstabbin' from me. That kinda involves more thought an' commitment than I'm willin' to make."

It's entirely truthful, if nothing else.