        Celestia nodded.  “She had my permission, Twilight.  I want you to be in top shape.  The spells you are going to learn are very difficult, and I know you do not get along with Trixie.  I was a bit reluctant to have her serve as your instructor, but my sister assured me that there was nopony more qualified.  Nevertheless, there will always be two Unicorn Guards within earshot of you when you are with Trixie, and they shall accompany you to and from her chambers.”  She ate another cinnamon roll and looked at Luna.  “Is there anything you wish to add?”