Clean high-energy rap

Write original clean rap lyrics about proving doubters wrong through discipline and craft (no threats, no violence). POV: first person. Structure: [Intro] 2 lines; [Verse 1] 16 bars; [Hook] 4 lines; [Verse 2] 16 bars; [Hook] 4 lines; [Outro] 2 lines. Constraints: multisyllabic rhymes; at least one internal rhyme per 2 bars; confident tone; add two tasteful ad-libs in parentheses; avoid slurs, profanity, and brand names. Include [your favorite theme] as a central motif.