This article addresses the challenge of identifying employee and leader burnout before it reaches crisis point. The author argues that burnout follows a predictable five-stage progression — from a Honeymoon phase through Fuel Shortage, Chronic Symptoms, Crisis, and finally Enmeshment — and that HR leaders and managers consistently miss early warning signs because early-stage burnout frequently resembles high performance. Key evidence presented is experiential and observational rather than empirical: the article draws on behavioural patterns such as procrastination, over-functioning, cynicism, and disconnection from purpose as diagnostic signals. The article also references the Positive Intelligence 'Saboteur' framework to explain internal psychological drivers of burnout, including archetypes such as the Hyper-Achiever and the Pleaser. The author concludes that burnout is not solely an individual failure but is reinforced by organisational cultures that equate productivity with worth and penalise boundary-setting. Prevention, the article argues, depends on early detection and systemic as well as individual intervention. Key insights: Early-stage burnout in high performers often presents as continued high output, masking avoidance of high-impact decisions and difficulty focusing — making it structurally harder for managers to detect. The article frames burnout as a five-stage progressive model, with the most actionable intervention window occurring in stages one and two, often years before visible crisis symptoms emerge. Organisational conditions — including unrealistic expectations, chronic understaffing, and productivity-focused cultures — are identified as systemic drivers of burnout that individual resilience training cannot compensate for. Practical takeaways: Managers and HR leaders can monitor for behavioural proxies of early burnout — including procrastination, boundary erosion, and cynical language — as diagnostic signals rather than performance or attitude issues. Organisations addressing burnout at the individual level without examining workload design, psychological safety, and cultural norms around boundaries are likely addressing symptoms rather than structural causes.