I can't see more of a story at the moment, and I also have other plans for Sarah. I find Anthea a very hard character to write: I tend to end up making her rather unsympathetic, but maybe that's just because she doesn't go for John. And I also don't think on a technical level I've got her speech rhythms right yet - I can't hear her voice in my head, the way I can hear most of the other characters (even Ella, who also only has a few lines). Maybe she's so hard to write because we don't get shown anything of what's behind Anthea's facade in the BBC!canon, whereas we do catch glimpses of what Mycroft's like. I enjoyed your 'Sleeping Beauty', but that, I realise, has a similar enigmatic quality about Anthea. How much sense do you have of what she's like as a person?