Bad Wolf here, Bad Wolf there.
Possible thoughts going through Rose's mind as she sits on the bench by the playground with Mickey during 'Parting of the ways'.
I don't own Doctor Who or anything associated with it, therefore only this idea is mine.
Ever wondered about the little things? Why is the sky on Earth blue? Is it pink or green or yellow somewhere else? I was so sure he'd take me everywhere with him. I was so sure he would never trick me or hurt me. Why did he have make me leave him? He's dieing out there two hundred thousand years in the future battling a race of mutants. Now it's just the little things I can think about, how stupid life suddenly seems without him.
Is this my lot, work in a shop forever and a day? Written on my gravestone, 'Rose Tyler was a shop assistant for her whole adult life. Rubbed shoulders with a god and blew it.' He tricked me! He could had left with me, brought Jack too. Have a fantastic life? How can I when I can't be with him. It wasn't just fantastic, it was impossible, incredible, unreal, yet it was real.
How can I just leave the TARDIS on a street corner to die? She became a sister to me. It was me, the Doctor and the TARDIS against the universe. She's alive, connected to the Doctor some how, and I'm connected to him. There's got to be a way to get back. Mickey's just sitting there, talking at me, "forget him", how can I? What's that? Sprayed onto the pitch, in fifteen foot long letters. B-A-D then a gap then, W-O-L-F. "It's over here as well." Mickey tries to talk me out of my reasoning "Bad Wolf here, Bad Wolf there." A link between me and the Doctor, I can get back. I can get back. I can, I can, I will…