A/N My first attempt at writing 9, be gentle with me. Read and review.
He watched them all the time, his human companions: Rose making tea in the kitchen, Jack halfway under the console, legs sticking out with a smear of lubricant across his white shirt. They didn't know, of course.
Well, that was half right. Rose didn't know and Jack, well he thought it was only Rose he watched. He didn't want them to know. They didn't need to know that he was recording it all, every move, touch or silly joke, Jack's flirting and Rose's gentle smile. In time it would be all he had.
The Doctor knew a lot about loss.