Carol does not apologize or express shame she actually comes up with a pretty honest and straightforward and well targeted pitch. None of that Shirley MacLaine sturm und drang.
Of course, she does suck up Joan’s ‘let’s pretend this never happened’ (which I’ve always considered a reasonable and surprisingly kind response, considering the information they had back then). And she does participate in some miserable self-destructive and self-hate-inspiring behavior. (Spoiler behind Curtain #1)
Thanks Simone (comment below) for this clip.