We also see Homer in Erikson’s stage of identity versus role confusion, while he was figuring out what his heart wanted we also see him trying to figure himself out. In the beginning, Homer didn’t know who he was, or what his life path was going to be. He knew his father and the rest of the town had the idea that he would be a coal miner but he wasn’t so sure what life held for him. It wasn’t until his teacher encouraged him to push himself intellectually that he found his love for rocketry and science that he really began to find his identity. In the end when he becomes this town hero and wins the science fair, his father shows up to his final rocket launch for the first time and we see Homer really feeling like he’s become his own man and he has that respect he’s always wanted from his father.
I would also say that Homer exhibits two of the characteristics of adolescent egocentrism; he shows invincibility fable and personal fable. In the very beginning of the movie when Homer starts out testing his very first rockets they weren’t well made or accurate but he still went ahead and tested out his ideas without throwing any caution to the wind. His very first rocket blew up his mother’s fence but he still carried on making his ideas into a reality without testing them