Donna:
Thing is though, Doctor. No matter what's happening, and I'm sure it's bad,
I get that, but... Rose is coming back. Isn't that good?
[And for the first time, he allows himself the biggest smile.]
The Doctor:
Yeah
I looooooooooove them. Poor Ten at this point thinks he'll be travelling around all of time and space with his bff and his girlfriend. Ha.