After, Stephen's speech, The Doctor's gaze seems to step back and less judgemental. Though still on his toes about it. The history of his own people after all but if they were going to return the stones from when those were taken from and lost others in the process - he's really not in a spot to say anything.

"I should be going. Don't belong here after all." Though there's something about his eyes that he doesn't belong quite anywhere.