My hope is always cautious at best. Very few things go entirely as I want them too.

I can't go with him until Gallifrey is safe. Or until I've lost all hope of saving it. It's a bit of a bind, isn't it? A strike against the optimists of the universe. I either give up hope of my planet and my people having a happy ending or I give up hope of my happy ending. Or I somehow miraculously save a doomed race. [Although damned if he knows how to do that.]

And what, other than your guilt, prevents your supposed happy ending?