"Would you like to watch Teletubbies?" the Doctor asked, trying to keep the despair out of his voice. The Master padded along after him.

By the time he'd finally worked out how to get rid of the drums, the Master had been desperate for relief. Neither one of them had thought about how the Master's personality had built itself around their constant presence; they certainly never predicted the effect of their absence.

Not until it was too late.

The universe was safe, now. The Master would never again be a danger to anyone.

He just had to live with it.