[unfortunately, Sophie is quick to protest] But it's not as though we know tha--curses! [she grabs the wall for support as she trips over the bedsheet] Oh, confound it! I'll go in a moment!

[thankfully, she just realised she's only wearing a sheet. she reaches out to cut the picture on the CAT so she can change]

[distractedly] Hm? Oh, since...well, since the first time I was here, I suppose. [at which point it occurs to her why he might be asking] Goodness! Did you not know?