Joining the Marines significantly shaped Adam Driver's perspective and maturity, influencing his relationship with Joanne. This experience instilled a sense of discipline, resilience, and a deeper understanding of commitment, which likely enhanced his ability to navigate personal relationships. The challenges faced during military service may have fostered a strong bond with Joanne, as they both learned to support each other through life's complexities. Ultimately, this pivotal experience laid a foundation for their partnership, emphasizing the importance of loyalty and shared values.