"New face isn't too bad, yeah? Bit different than what I've been used to, but I think it's an upgrade. I like not having to shave my face anymore." The Doctor isn't avoiding anything, it's just a symptom of the way her mind flits from topic to topic.

She puts her hand over River's hand on the corner of her cheek and brings her brain back around to the topic at hand. "I think you know what secrets you harbour way better than I do, sweetie."