 The other emotions try to maintain Riley 's happiness in Joy 's absence with disastrous results , distancing her from her parents , friends and hobbies , resulting in her personality islands gradually beginning to crumble and fall , one by one , into the " Memory Dump " , an abyss where memories are forgotten . In desperation , Anger inserts an idea into the console prompting Riley to run away , believing that her return to Minnesota will enable her to make new happy core memories . 
