Even if Andrew isn't tall enough to be a particularly good look-out. He is big enough to be a nice cuddler, though.

"I arrived like that," he answers. It's slightly easier to remember things from the different parts of him when they weren't actually interacting with each other. "The Master in Times Square, where I found Daine. The Doctor in the East Village. And the last part - well, I dubbed myself Ambrose. Met a boy called Luke who joined me in finding the Doctor, then the Doctor and Ambrose went and found you and the Master."