The provided medical case report, "The Devil in Human Form," details the profound and ongoing abuse suffered by a nearly 50-year-old man with a rare genetic disorder at the hands of his manipulative mother. The physician chronicles the mother's insidious charm and calculated destruction of her son's relationships and well-being, highlighting her role as the orchestrator of his childhood abuse and the direct cause of his extreme physiological stress response in adulthood. This document serves as a stark warning to medical professionals about recognizing and understanding the devastating impact of psychological torment, even when masked by a seemingly caring facade. It underscores how such long-term abuse can manifest as severe medical conditions, challenging traditional psychotherapeutic approaches that often seek patient "contributions" to their suffering. Ultimately, the report paints a picture of a woman embodying pure malice, whose actions have had catastrophic and lasting effects on her son's life and health.