Lev Haiba is motivated to improve and become a better player because he has a strong desire to surpass his past performances and reach new heights in his volleyball career. Lev is driven by his competitive spirit and the challenge of pushing himself to become the best player he can be. Additionally, Lev is inspired by his teammates and rivals, who motivate him to continuously strive for greatness and excel on the court. Ultimately, Lev's determination and passion for the sport fuel his relentless pursuit of self-improvement and success in volleyball.