Mia and Bruce Wayne
"I'm sure I can get the TARDIS to create a training room," he mused. "But then I might not have anyone to train with. ...I might want someone other than Jack or Ianto to train with." Not that he thought Jack or Ianto would go easy on him, but... someone different would be nice.
Anda Mia was different, that was for sure.
"I think I am going to take you up on that," he said.