What is the conflict with his girl in Slam by Walter Dean Myers?

The conflict in "Slam" revolves around the main character, Greg "Slam" Harris, trying to balance his passion for Basketball with his relationship with his girlfriend, Mtisha. Mtisha believes Slam prioritizes basketball over her, leading to tension and disagreements between them. Slam must navigate this conflict as he pursues his dreams on the court while also striving to support Mtisha and their relationship.