The Doctor must have a thing for impulsive rash chicks.

"It's not this place, it's the people who come here. Who answer the call. Not that they always do, I guess some of them probably mess up or don't always want to, but that's the risk taken, yeah?"

Rose closed her eyes. It sounded almost like the Doctor in that way. Since not all of his companions or risks always turned out for the best, arguably.