She smiles a little wider, touched by the casual remark. He's right- if she isn't going to be a princess here then she can be whatever she wants to be.

"Oh, no," she protests, "I hardly know where to begin! My education included only the basics of science, and I've never studied these common occupations before. I didn't know such books existed." But oh boy she is glad they do. It means she can learn everything, without having to wait or bother someone else for lessons.