Head Cannon: Back when AJ and Rarity were fillies, they went to school together. AJ would bring extra apples every day in case other students forgot to bring lunch. Rarity hadn't mastered magic yet, so she spent a long time grooming her hair in the mornings and had to rush out the door to make it to class in time. Because of this, she'd often forget lunch and had to ask for Apple Jack's extra lunches more than any other student.I made this up just for this challenge