Defining 'Enough' & Purpose Alignment
Every number you hit becomes the new starting line if you never decided in advance what the finish line was. 'Enough' is not a feeling that arrives on its own — it is an amount you have to name while you still can.
A target defined by comparison can't be reached
The reason 'enough' keeps receding is usually that it was never defined against anything fixed. If your target is set by what the people around you have, it moves whenever they move — and as income rises, the people around you change.
That is the mechanism behind a genuinely common experience: hitting a number that would have felt like total success ten years earlier and feeling nothing, because by the time you arrived the comparison set had moved too.
The fix is unglamorous. Define the target against your own spending, in advance, in a number. A goal anchored to what your life actually costs cannot be moved by someone else's purchase, which is the entire property you're buying.
If someone else's promotion changes your target, you don't have a target — you have a comparison.
Turning 'enough' into arithmetic
Financial independence has a simple, imperfect formula: annual spending divided by a withdrawal rate. At 4%, that's 25 times what you spend in a year.
The critical input is spending, not income. Two people earning identically can have targets a million dollars apart purely because one lives on more than the other — and someone whose spending drifts upward is moving their own finish line while walking towards it. This is where lifestyle creep does its most expensive work.
Treat the 4% as a planning assumption rather than a law. It comes from studies of 30-year retirement horizons, it assumes a particular portfolio mix, and a longer horizon or a worse sequence of early returns argues for a more conservative figure. It's a way to convert a vague feeling into something you can act on, not a guarantee.
Define 'enough' as a number tied to your spending, not to your income or to anyone else's balance. It's the only version that can be reached, because it doesn't move every time your peer group does.
Sources
- The Psychology of Money (Morgan Housel) — Harriman House (2020)