Quick Verdict
The durability file: month-six baselines within noise of month-three (no decay), no dose-escalation urge (the natural-matrix profile predicting true), adherence at 96% on pure automation — and the deliberate ten-day pause: old patterns creeping by day seven, ritual resumed with data-driven conviction. Maintenance verdict: 4.7/5, sustained.
What Held, Measured
The check-in's instruments: the monthly scenario battery run against month-three's marks — craving gauntlet, buffet test, the heavy-afternoon count — all scoring within noise of the consolidated baseline; no decay, no drift back. Tolerance: the standing question for any caffeine-bearing formula, answered by the log — the same single dropper, no escalation urge across 180 days, the morning curve unchanged ('day 170's floor feels like day 40's').
Habit durability ran on automation: 96% adherence with the anchor so fused that vacation disruptions self-corrected inside a day — the toiletry-bag rule and meal-anchor translations now reflexive.
The Pause Experiment
Month five ran the review program's boldest protocol: a deliberate ten-day pause, logged. The creep-back: day four 'afternoon ran lower,' day six the first 8-PM pantry entry in months, day seven the 3 PM pull scoring 5 ('hello, old colleague') — the supported baseline easing toward the old one on exactly the gradual curve cumulative mechanisms predict, in reverse. Resumption re-steadied inside a week.
The experiment's yield is the durability review's whole point: the support is real, ongoing and demonstrably load-bearing — not a launch ramp the body internalizes, but a floor the daily serving maintains. Maintenance economics accepted accordingly: $1.63/day against the documented creep-back, the keeper's-guide infrastructure logic applied and funded. Six months, no decay, one instructive pause: 4.7, standing.
The Product Layer, Briefly
Habits carry half the load; direct support carries the rest, and our standing pick is SodaFit — four seconds each morning, six named ingredients, gentle natural energy from green tea and guarana, zero synthetic stimulants and zero subscriptions. New readers start with the SodaFit official website primer; bundles currently run from $49 per bottle.
Keep reading: the complete SodaFit primer · the expectations calendar.
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