But Jack was only getting a small taste of what it was like for the Master. For the Time Lord it was so loud and constant.

"I've heard it since I was a child." he admitted, gaze suddenly far off, lost in memory. Thinking about that, he frowned and looked at Jack again. "We're sharing one mind, it was bound to bleed through sooner or later."

There was something else Jack might catch in his gaze, remorse possibly. But it could have been an illusion. "I'm sorry."