What does having 'enough' really mean in the context of FIRE?

'Enough' is the spending level that covers a life you actually want, after which more money adds little to your wellbeing — and identifying it is the most important step in FIRE, because your number is built entirely on it. The trap is the moving target: as income rises, expectations inflate, and the finish line keeps receding. Defining enough means separating genuine needs and values-driven wants from status spending and habit. It's deeply personal — one person's enough is $40,000 a year (Lean FIRE), another's is $150,000 (Fat FIRE). Getting it right protects you from over-working for years you didn't need to and from under-saving into a life that feels constrained. Track a year of real spending, sort it by what truly brings you satisfaction, and let that — not a round number or someone else's lifestyle — set your target.