WHAT IF IT CUTS OUT MID-SAVE?!!?!?!
Pokemon keeps a backup of your second-to-last save in case the save you're making becomes corrupted. Considering how much data a pokemon save really is and the fact that they do that, it makes me wish people would stop *****ing about "ZOMG ONLY ONE SAVE!? JUST ANOTHER PART OF THE NINTENO MONEY-EATING CONSPIRACY!!shift+1"