There you go, being human again,' said the Doctor. He put an arm around Rose, and hugged her to him. 'It's not fair, is it, when we're forced into pitying someone we hate. Feels like the world's turned topsy-turvy. But it's all right. You're still allowed to hate them. As long as you don't gloat at their downfall, that's all.
Rose wasn't 'ordinary'. What was I supposed to do? Wrap her in cotton wool? Tell her 'Here, I could give you the universe, but I'm not going to in case you get hurt? There's all this stuff out there, all these planets, all these wonders, but I want you to stay at home and work in a shop?