Eminem's 'When I'm Gone' explores the conflict between his rap career and fatherhood, expressing regret for neglecting his daughter Hailie and fear of dying before making amends. Themes include family sacrifice, guilt, the destructive cost of fame, and mortality. Key metaphors: 'give an arm for' shows literal sacrifice; 'karma bites you' represents consequences; 'armor' symbolizes protection; the stage turning into a mirror reflects self-realization; the plane crash and gun symbolize death and self-destruction.