What does this show about Kenny and Byron's relationship and how has it changed?

Kenny and Byron's relationship evolves from one marked by rivalry and frustration to a deeper bond characterized by mutual understanding and support. Initially, Byron's behavior often frustrates Kenny, showcasing a typical sibling dynamic filled with conflict. However, as they face challenges together, particularly during their journey to Birmingham, their experiences foster a sense of loyalty and protectiveness. This shift highlights their growth and the emergence of a more supportive and affectionate relationship.