What insecurities do the little mermaid have?

In "The Little Mermaid," Ariel grApples with insecurities about her identity and belonging. She feels disconnected from her underwater world and desires to be part of the human realm, leading to feelings of inadequacy. Her longing to be accepted in a new world amplifies her fears of rejection and not being good enough. Additionally, her lack of experience in human customs adds to her vulnerability in navigating relationships, particularly with Prince Eric.