Why didn't I notice this before? And now the rest of my feelings are broken. I'm beginning to think that it's not a good thing for them to bring Rose and 10 back for one more episode, I had barely gotten over them being gone and now.
"The only way to get rid of her is to send her into a parallel world from which she can never return; otherwise she would stay with the doctor forever. We can't get rid of Rose. So, lets send her parllel universe !