OK TIME FOR EXPLANATION; FOR THIS ONE IF YOU HACK THE GAME SO THAT YOU SUCCESSFULLY REMOVE THE ANNOYING DOG FROM YOUR INVENTORY WHILE IN THE LEGENDARY ARTIFACT ROOM, THEN EXAMINE THE PEDESTAL WITH THE ARTIFACT, YOU GET THE MESSAGE "THIS WILL NEVER HAPPEN."; IF YOU BEFRIEND UNDYNE BEFORE MEETING ALPHYS, YOU CAN CALL HER IN FRONT OF THE ROYAL GUARDS BLOCKING THE L1 ELEVATOR IN HOTLAND. SHE'LL EXPLAIN THAT SHE CAN'T TELL THEM TO STOP LOOKING FOR YOU, BECAUSE SHE TOLD THEM THAT IF SHE EVER ALLIED WITH A HUMAN THEN SHE WAS UNDER MIND-CONTROL SPELLS. LATER, WHEN YOU GET RG01 TO CONFESS HIS FEELINGS, HIS DIALOGUE CHANGES SLIGHTLY. "UH, I MEAN... THIS HUMAN MUST BE USING MIND CONTROL POWERS ON ME, DUDE!"; YOUR WELCOME I GUESS