Ever since she started interrupting her professors' lectures with corrections, Twilight has been taking her lessons directly from Celestia. At first, she couldn't have been happier, but with each passing day, the symptoms of her bizarre affliction and the sway of Celestia's tail have grown more distracting; the time when she could ignore either has long since passed. She knows she needs help, but the only pony to whom she can turn is feigning obliviousness.