"Times change. People change. I changed." The Doctor answered softly. It was true. It wasn't just the face that had changed. Him, as a person. Clara had to remind him of his own promise. He'd seen too many battles and caused too many wars. He was an old tired man who just didn't know how to stop.

He didn't know if he could stop.

"Fortescue is a bit...well. Pretty. No, hang on. Shut up!" He frowned. "She's clever! Very clever, and good. Too nice to a silly old man. Jazz, however, is very grumpy."