6. The Doctor Will Find Gallifrey And Abandon Her On Earth...
Hey, he's done it before! You're the most important person in his whole wide world until he finally tracks down the whereabouts of his long lost home planet, in which case you're tossed aside before you can say, "Gallifrey falls no more". Poor Sarah Jane. He tells you that humans aren't allowed, but secretly he just doesn't want you getting in the way.