I hope your past letter was cathartic to write as Pinkie Pie seems to be causing you a good deal of stress by merit of.. Well, Pinkie's antics are such that there are a few researchers that have suggested she's a visiting chaos deity from another plane. We don't put very much weight into those theories, partially because we don't want to acknowledge they might be right. Nopony laughs too loudly when they come up, either.