how did i INSTINCTIVELY know about that damn chrono trigger bookshelf chest???

played through *chrono trigger* for the first time last week. got to the end of the first dungeon, and suddenly i *knew*—not guessed, not vaguely recognized, but *knew*—that the next room had a hidden chest behind a bookshelf. turned around, there it was. no prior playthroughs, no guides, no speedru……