Usopp's proclivity for weaving elaborate tales in various situations can be attributed to a combination of his tumultuous upbringing, a desire for escapism, the influence of his father, a yearning for acceptance, and a genuine love for storytelling.
Growing up in the modest village of Syrup, Usopp faced economic hardships and the absence of his father, Yasopp, who was a member of the Red-Haired Pirates. To cope with the challenges of reality, Usopp turned to storytelling as a form of escapism. This early reliance on fiction laid the foundation for his tendency to exaggerate and fabricate stories.
The influence of Yasopp's adventurous tales further fueled Usopp's imagination. Yasopp's absence in Usopp's life, coupled with the romanticized stories of the Grand Line, instilled in him a deep desire to create his own legendary narrative. This quest for recognition and the yearning for his absent father's approval became driving forces behind Usopp's penchant for embellishment.
Within the dynamic crew of the Straw Hat Pirates, where each member possesses extraordinary abilities, Usopp found himself seeking acceptance. Lacking the physical strength of some of his counterparts, he used his storytelling prowess to craft a persona of bravery and heroism. By portraying himself as a fearless warrior, Usopp aimed to secure his place within the close-knit crew.
Furthermore, storytelling became a coping mechanism for Usopp in the face of adversity. Whether confronting powerful adversaries or navigating perilous situations, he turned to elaborate tales to boost his confidence and overcome fear. Usopp's lies, in this context, served as a shield against the harsh realities of the unpredictable world he inhabited.
Lastly, Usopp's love for storytelling is deeply ingrained in his character. Beyond being a means of coping or seeking acceptance, spinning yarns is an expression of his creative spirit. As the crew's entertainer, Usopp injects humor and excitement into their journey, contributing to the camaraderie that defines the Straw Hat Pirates.
In essence, Usopp's tendency to lie is a multifaceted aspect of his character, rooted in his challenging past, the need for escapism, the quest for acceptance and recognition, and an inherent passion for storytelling. It adds depth to his character arc, making him not just the crew's sharpshooter but also a storyteller navigating the fine line between fiction and reality in the adventurous world of "One Piece."