"Yeah but even if its not him, would never kill him,' The Doctor replied, He smiled when she said his tea was good "Thank you," he knew there was very few that hated it. He was looking at the screens too. "Ah well he was but the Master is one of those who doesn't seem to stay dead, hes died and came back quite a few times, some of his followers would resurrect him again if they felt need to."
He had held the Master as he died, but he knew there was always the possibility he would come back, or a living version of him before that point causing trouble.