"Well I had to do something!" Jack called back to the Doctor. "I wasn't about to let him get away with this, was I?" There was always a third option, and as much as the Doctor didn't like it, it often involved violence.

The Master, however, was strangely quiet for someone who had just ended up on his back. Jack pulled himself up to sit and examined his work, surprised, and even a little horrified to see where the knife had landed.

"...Oh." Okay, maybe there was a little self-satisfaction there, too. "Well. Karma's a bitch, isn't it?"