She moved to walk along side him, while still letting him take the lead, make the decisions. For now. Sometimes the Doctor needed to be led, sometimes he needed to be followed, he always should be heeded, but sometimes he was just too muh fun to watch. And while this might be an old face of his, as she hadn't seen it yet, it was new to her.

So much to learn. Oh, she could always look back at her notes, remember what she already knew, but why? When this was ever so much more fun, why?

"So, tell me about yourself, Doctor. Tell me something you think I could not possibly know, see if you can surprise me." Wouldn't that be a fun game?