Thirteen years. 2,400 logged days. Sixty-plus behaviors. One uniform, corrected statistical method — and one question: what actually moves the needle in your life?
count your streaks.
Hindsight measures which habit moves your wellness — and by how much.
hand you other people's averages.
Hindsight runs true N-of-1 science on your own days. Your data, your verdicts.
hold your memories.
Hindsight cross-examines them with corrected, replicated statistics — even your dreams become data.
stream raw metrics with no verdict.
Hindsight ranks your levers and adds an early-warning damage gauge no one else has.
Letting go is the strongest signal in the entire record. Every era that practiced it flourished; every hour spent ruminating pulled the opposite way.
LET GO +0.91 · rumination −0.72 · consistent in every period trackedThe day is decided at dawn. Late rising hurt in nine of ten study periods — and it was never about more hours in bed. Rise, and the day follows.
rise time −0.19 pooled, significant in 6 periods · extra sleep showed no benefitLift something heavy. Drink water. Cover ground. Quiet, repeatable, and confirmed across more eras than any other physical lever.
weights +0.21 (8 of 10 periods) · water +0.38 (6 periods) · miles run +0.14Be your own advocate. Trust the gut. Say no and mean it. The years lived that way scored higher — antifragile, committed, unhurried.
COMMIT +0.66 · INTUITION +0.51 · ANTI-FRAGILE +0.47 · SAY NO +0.70Forgiveness — of others and of yourself — and daily acts of kindness outrank every other behavior this year, and survive every retest.
4GIVEall / 4GIVEme / KINDNESS: top of 2026, 85–100% bootstrap survivalMonths rich in vivid dreams were months of higher wellness. Guard the sleep that lets you dream.
vivid-dream density (28-day) +0.34, STRONG in 2026Emotional swings spend life like load cycles — swings around a tired baseline cost most. The heavy years each carved off a sixth of the lifetime total; 2026 is running lighter.
D = 1.38 anchor-events · heavy years ≈17% each · 2026 so far 7.7%Hindsight 80/20 runs your wellness record through the same rainflow-counting mathematics used to certify aircraft: every emotional swing becomes a stress half-cycle, corrected for how tired the baseline was, priced against a life curve, and accumulated into a single damage index, D. The result is an early-warning gauge — you see a costly season while it is happening, not in the autopsy.
And as of 2026 the ledger has a purpose column: Hindsight Daily — the Mission updates (v2.0 → v2.6) — pick a mission spectrum, name it in your own words, and answer one behavioral question a day (−1 the day ran against it · 0 neutral · +1 built it), then read an alignment map of mission engagement against your own damage rate — and, new in v2.6, Resonance: the natural-frequency check that bounces those chips against your wellness dial and asks whether the mission feeds the airframe, or whether you're holding on too tight. Damage units measure what a life costs; missions name what it buys. The framework, in one page →
And in v3.5 the ledger gained a second kind of reading. Everything above measures wear — damage accumulating on a structure whose properties are taken as given. The Modal Survey — 𝑖SIP i5.3.2.1 — measures the structure itself: how many days it takes to shed about two-thirds of a knock (the ring-down), the level the record keeps returning to (the set point), and the size of a typical one-day swing (the daily jolt) — three numbers deliberately never combined into one, because a person can sit at a 7 and be fragile or sit at a 5 and be solid. Across this record the ring-down has run from about 1.9 days to 4.1, and the slowest stretch in it was not a crisis but a grind. It did not see the stroke coming, and the page says so. Modal Survey — how fast do you get back up? →
And in v4.0 the ledger closed its loop. Everything above tells you what the flying cost; the Repair Bay — the maintenance record — tells you which repairs actually hold. Tag the repairs you already log and the engine reads, from your own record, which recovery procedures earn a slot (Certified), which well-meant ones read as maintenance-induced damage (Grounded), and which are still In Test — with verdicts recomputed only when your inspection interval comes due, never on demand.