"Yourself. And if that's not good enough, you could freelance."

Sarah Jane's profession is far more flexible than his. If their situations were reversed, James would be at a loss for what he could do. Sarah Jane could just as easily pick up a pen and paper, write a spectacular article and submit it anywhere. Sure, it'd be a while before she could be able to live off her writing, but he had no doubt that she would eventually reach that point. If she tried.