Why does Mars Bar let Amanda Beale intimidate him?

Mars Bar lets Amanda Beale intimidate him because he sees her as a strong figure who challenges him, and he struggles with his own insecurities. Amanda's assertiveness and confidence often put him on edge, making him feel vulnerable. Additionally, their dynamic reflects the complexities of peer relationships, where fear and respect can sometimes intertwine. Ultimately, it's a reflection of his character development and the influence of those around him.