How do Ella's mother and Mandy react to the gift bestowed on baby Ella? Why can't the magic be undone?

Ella's mother, Eleanor, and Mandy the cook are both horrified by the gift bestowed on Ella by Lucinda. Lucinda refuses to undo her gift, and Eleanor and Mandy realize that they cannot undo the magic which someone else has cast. They thinks that perhaps someday Ella will be able to break the magic herself.