The Doctor laughed, shakily, with little mirth to the sound. "Oh, I hope they will be. I really do. Well, I know Jack will be ok, she always lands on her feet, and Mark is good at taking care of himself, but..." She leaned against Kurt, just. Allowing herself to let go, for a little bit.
"I don't know if I'll be okay if anything happens to them. I've already lost... so many. Burned Gallifrey, and I thought, I told that idiot that there had to be another way. I just... I didn't have time to find one. And so many, so bloody many, paid the price. And it's... I know I can't change it, and I really shouldn't keep on and on about it, but... there's no one who can understand, not in my universe. No one who is able to make that connection that I keep reaching for, and will never find again."