"Really?" He sounds ready to be very impressed. "Well maybe that would be useful. I'd like to see that at some point."

He knows he's going to have to hide her, as well as himself, as well as he hides Luke's presence, when they get there. He's not worried about today, but he's beginning to see a future stretching ahead of him that includes a teenage Sith apprentice, and he's going to need to make longer term plans for that.