She’s been told to make dinner before he gets home, so she makes a feast on the floor and a fool out of herself instead, because no one told her not to do so.
She’s been told to leave everything valuable and important alone, so she lets thieves in to deal with these things instead, because no one told her the truth behind the truth. It’s been deemed too difficult for her, and she’s never been taught, so how was she supposed to know what counts as ‘common sense’?
Now that she’s a little smarter, she learns she has to take responsibility for her own mistakes, and being naive doesn’t let her off the hook. But even the weight is too much for her to carry, so she drops it on top of her own problems, and finds that fortune weighs even more.