Ninety days is the number most people have heard. It has no research behind it. Neither does any other number.
The flatline has never been studied, so its duration is unknown. Recovery of arousal after heavy use has never been timed; conditioning runs in both directions and nobody knows how fast. The "rewiring" timelines attached to the dopamine story are folk theory. Every deadline you have been given is a manufactured way to feel like a failure the day after it.
What the evidence does describe is the shape. Change is a scatter plot with a trend, not a line going up. A lapse is one instance and a relapse is a return to the pattern, and what you conclude in between is the hinge: attributing a slip to a permanent flaw predicts a full return; treating it as information does not.
There is one real transition, and it is not on a calendar. It is the difference between someone who is not drinking and someone who doesn't drink: the first is engaged in ongoing resistance, the second has settled a question. That shift comes from time and from the evidence of your own behaviour, every trigger met and not acted on, accumulating until the option drops out of consideration. Self-description travels with it, though which one pulls the other is not established.
So the honest measure of progress is not days. It is distress going down, control going up, and how quickly you recover after a slip. Those move first, and they move whether or not the calendar does.
Where this comes from
Read the full lesson: From resisting to being someone →
Sources and how strong they are (4)
- AnecdotalThe "flatline" — a period of dropped libido, mood or arousal during abstinence — is consistently reported in abstinence journals but has never been formally studied.Fernandez et al. 2021
- Well establishedMarlatt's relapse-prevention model identifies the Abstinence Violation Effect: after a lapse, attributing it to a permanent personal flaw predicts a full return to the behaviour.Marlatt & Gordon 1985; Curry et al. 1987
- Mixed evidenceIdentity-consistent self-description travels with habit maintenance; which one pulls the other is not established.Verplanken & Sui 2019, Frontiers in Psychology 10:1504, doi:10.3389/fpsyg.2019.01504
- Mixed evidencePorn-induced erectile dysfunction is a real clinical hypothesis with supportive case reports and clinician reports, but frequency-based population studies have not produced consistent associations. It remains contested.Park et al. 2016; JMIR 2021 international survey; Kirby 2021
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