This autoethnographic longitudinal study examines identity incongruence in high-capacity Black women across a 17-year period (2009–2026). Drawing from undergraduate writings, graduate theses, leadership papers, career transitions, creator burnout cycles, and real-time capacity state documentation, I propose that high-capacity Black women do not primarily experience identity suppression but rather identity substitution—the installation of a survival-based operating system before conscious identity formation is complete. The research introduces the ESSENTFLOW™ framework: a three-phase, four-state model mapping the journey from identity incongruence to native-self operation. Key findings include: (1) identity installation occurs before identity formation is complete; (2) high-capacity people burn out from identity incongruence, not workload; (3) the self-authorization gap emerges when knowing precedes permission; (4) proof-of-impact addiction develops as a survival response; and (5) FLOW • STABILIZING represents the optimal teaching state for identity reclamation work.