[She seems half as focused on where they're walking- or where her feet are going, and looking back up to inspect this reverse-new Doctor. He's quite different than the others. Very different. But not in a bad way.]

Hm? [She clears her throat a bit, more out of necessity than avoiding the question.] Can't sleep well, past few days. Dean-o back there suggested I try drinkin'. 'Lot of medicines don't work much on me anymore thanks t'Torchwood. An' I haven't drank in ages, so I figured it'd knock me out pretty quick. Truth'll out when I get t'bed.

[Not that it really answers his question. Well, it kind of does.]