"Hhaha true, he is always in trouble," Jack laughed, he was smiling and looking at her. He knew how much the Doctor always seemed to be in trouble. He was looking around where they were.

"903 years old," JAck replied "I did think that, but hes a time lord, I don't know if they would suffer from old age illness's as they constantly regenerate and don't age physically, but he does over work himself so maybe hes just too drained."
He looked at Donna, he knew she was worried too.