Donna watched as Jack tended to the Time Lords wounds, taking off his jacket and fixing the horrible gash that was up his back as well as tending to hos broken ribs. 

"Wow, without your clothes on you can really see how skinny you are, Spaceman." Donna commented light heartedly, standing by the Doctor's head as Jack continued to treat him. She stroked his hair softly, something she had become quite fond of recently.