Franziska makes a half-hearted attempt to snatch the books back, but is reluctant to start a tug-of-war match. At least, not in public. So instead she sits back and exhales a long suffering sigh. "You just don't get it, do you? Anyway, are you going to be here long? I'm hungry." Her question is two-pronged: it is firstly a very blatant opportunity to change the subject, but also a command. Something along the lines of, and I expect you to come with me.