The Doctor was looking at her "Well normally I know just by looking too, Like The Master even when he regenerates I know its him, well expect for the time he made himself human, " He told her, he was coughing and he coughed up blood and threw up on the floor. Owen swore and was yelling, More because he knew the situation was bad and that Jack would be worried.
"JACK!!!" He yelled for him. He quickly gets a bucket and looked at the Time Lord. "Damn what is going on." He knows the Time lord isn't doing good.