This paper investigates metanoia as a phenomenon that is real yet inherently incomplete. While classical rhetoric and Christian thought have long framed metanoia as a decisive change of heart or rebirth, these traditions often imply that such transformation can be perfectly accomplished. Against this view, the paper argues that metanoia is better understood as a lifelong, never-finished process that is always shaped and ultimately interrupted by mortality. Drawing on Augustine’s evolving reflections on his own conversion, the argument shows that recognising the incompleteness of metanoia is itself part of its deepening. To illustrate this dynamic, the paper examines the late-life trajectory of Bobby Kennedy. His personal transformation, intertwined with Catholic sensibilities yet expressed in secular political language, became a catalyst for broader public imagination. Kennedy’s ethos appeared in visible motion, resonating with a historical moment marked by volatility and collective longing for change. His assassination exemplifies metanoia interrupted: a transformation initiated, unfolding, and abruptly cut short. The paper concludes that metanoia should not be conceived as a perfected act or a guaranteed achievement. Its significance lies in the orientation it provides within the constraints of temporal finitude, where transformation is always underway and always vulnerable to interruption.