He's spent centuries perfecting the art of Not Thinking About Certain People; but images, memories, and snippets of Rose Tyler are always breaking his barriers down, invading his mind with unequaled stubbornness - //I wish Rose could see this,// he finds himself thinking, or //I never got the chance to take her here and now it's too late--//

He needs her now - knows she could quench this fiery rage inside him as she has so many times before - and yet this is the first time he's ever been glad she's gone.

He doesn't want her to see what he's starting to become.