Give the loop something else to do

Match the function, not the form.

Well established 4 min read

A habit that's doing a job doesn't vanish when you remove it. It leaves the job undone, and the job comes back.

So the replacement has to match the function, not the form. This is where most people go wrong: they answer loneliness with press-ups and wonder why it doesn't hold.

Match the function:

If it's boredom or understimulation → something absorbing with a low start-up cost. Not "learn guitar" — an actual game, a good book already on the table, a podcast plus a walk. The barrier to starting has to be lower than the barrier to the old habit, or it loses.

If it's anxiety or stress → something that shifts your physical state. Walking, a hard ten minutes of exercise, a shower, slow breathing. Physical states respond to physical inputs, not to talking yourself down.

If it's loneliness → contact with a human. This is the hard one, because loneliness makes contact feel effortful and unappealing, which is precisely the trap. A text counts. A call counts more. A pre-arranged standing thing — a weekly five-a-side, a Wednesday pub, a call with a friend abroad — beats relying on wanting it in the moment.

If it's avoidance → the thing you're avoiding. Unfun, and usually the actual answer. Ten minutes on the task you're dodging often kills the urge entirely, because the urge was about the task.

If it's tiredness → sleep. Genuinely. A large share of late-night episodes are a sleep problem wearing a costume.

And when it's already peaking there's a narrower version of the same idea: give the visual and spatial part of your mind something demanding to do. An urge keeps itself going partly by re-picturing what it wants, and a task that needs the same machinery — a puzzle, a shape to fit, a sequence to hold — blunts it while you're doing it. That is what the puzzles in Panic are for. The honest size: real but modest, gone shortly after you stop, measured on cigarettes, food and alcohol rather than on this, and never tested against a porn urge. It buys you a few minutes, which is often the whole of what you need.

On masturbation: whether you keep it is your call, and this course doesn't have a position. If your goal is porn specifically, many people separate the two and find it makes abstinence far more sustainable. If your values or goals include both, that's coherent too. Just decide, rather than leaving it ambiguous — ambiguity is where slips live.

Takeaways

In the app, this lesson ends with a practice

One replacement per pattern, matched to what it's actually doing for you.

Sources and how strong they are (4)
  • Mixed evidenceHabitual behaviour is usefully taught as a four-part loop — cue, craving, behaviour, relief — in which the relief reinforces the cue-behaviour link. This is a teaching model from popular behaviour-change writing, not a finding. The established science underneath it is narrower: habits are context-response associations strengthened by repetition in a stable context, and whether a craving is a necessary stage is exactly the contested part.
    • Wood & Rünger 2016, Annual Review of Psychology 67:289-314, doi:10.1146/annurev-psych-122414-033417, PMID 26361052
  • Well establishedProblematic pornography use tracks distress better than overall frequency of use does. People who use frequently without distress and people who use frequently with it are distinguishable, and it is the problematic group that differs on mental-health measures - most clearly on depressive symptoms and self-esteem. Adult ADHD symptoms are a further replicated correlate (see C51), measured almost entirely by screening questionnaire rather than diagnosis. Loneliness is a further cross-sectional correlate of pornography use, measured once in a sample of 1,247 and modelled by its authors as potentially bidirectional.
    • Bőthe B, Tóth-Király I, Potenza MN, Orosz G, Demetrovics Z 2020, J Sex Med 17(4):793-811, doi:10.1016/j.jsxm.2020.01.007
    • Butler MH, Pereyra SA, Draper TW, Leonhardt ND & Skinner KB 2018, J Sex Marital Ther 44(2):127-137, doi:10.1080/0092623X.2017.1321601, PMID 28448246 (published online 2017)
    • Dropped as a source, because it does not resolve to a paper containing this claim — Grubbs et al. 2020, Clin Psychol Rev 82:101925, doi:10.1016/j.cpr.2020.101925, PMID 33038740, whose systematic review of 415 studies cuts the other way on confidence
  • Mixed evidenceA concurrent visuospatial task reduces the strength and vividness of a craving while it is being performed. The direction replicates across cigarettes, chocolate, food and alcohol, in the laboratory and in daily life, and the size is modest and short-lived: in the Tetris ecological-momentary study, three minutes of Tetris cut craving strength by a mean of 13.9 percentage points (effect size f2 = 0.11) among 31 undergraduates reporting cravings seven times a day for a week. Three trials have now run outside the laboratory - that one, a four-week diary study in which 48 undergraduate women watched hand-held dynamic visual noise whenever a food craving arrived, and a 2026 pilot that delivered four minutes of Tetris by ecological momentary intervention to 40 women reporting alcohol misuse. The 2026 pilot is the one that did not simply replicate: it predicted decreases in momentary craving only among the women who already recognised possible harms from their drinking and were ready to change, and it moved neither average daily craving nor drinking. Which channel is loaded appears to matter - a mental visual imagery task reduced cigarette craving where an equivalent auditory one did not, and adding a verbal working-memory load on top of a visuomotor task did not reduce craving any further. The samples are small and mostly undergraduate, every primary outcome is a self-reported craving rating collected immediately after a task the participant knows they received, and nothing in this literature has a sexual or pornographic target (see C69).
    • May J, Andrade J, Panabokke N, Kavanagh D 2010, Behaviour Research and Therapy 48(6):476-485, doi:10.1016/j.brat.2010.02.001, PMID 20189549
    • Skorka-Brown J, Andrade J, May J 2014, Appetite 76:161-165, doi:10.1016/j.appet.2014.01.073, PMID 24508486
    • Skorka-Brown J, Andrade J, Whalley B, May J 2015, Addictive Behaviors 51:165-170, doi:10.1016/j.addbeh.2015.07.020, PMID 26275843
    • Andrade J, Pears S, May J, Kavanagh DJ 2012, Appetite 58(3):955-963, doi:10.1016/j.appet.2012.02.044, PMID 22369958
    • Kemps E, Tiggemann M 2013, Appetite 68:152-157, doi:10.1016/j.appet.2013.05.001, PMID 23685086
    • Park MY, Kim I, Kim M, Lee GE, Lee JH 2026, Frontiers in Psychology 17:1923789, doi:10.3389/fpsyg.2026.1923789, PMID 42756082
    • Hahn CK, Brockdorf AN, Pavlacic JM, Metts CL, Brady KT, Hoffman M, Guille C, Saladin ME, Back SE 2026, Drug and Alcohol Dependence 281:113052, doi:10.1016/j.drugalcdep.2026.113052, PMID 41691823
    • Supporting, not a separate replication — McClelland A, Kemps E, Tiggemann M 2006, Journal of Clinical Psychology 62(3):355-365, doi:10.1002/jclp.20216, PMID 16299713
  • Well establishedNo study has tested whether a visuospatial task reduces the urge to use pornography. The whole Tetris-and-craving line was run on food, alcohol, nicotine, caffeine and methamphetamine; what the puzzles in this app rest on is transfer from those targets, and that transfer has not been demonstrated. The closest thing in the literature is one week-long diary study of 31 undergraduates in which 'activities (sex, exercise, gaming)' was one craving category among several - sex, in a general sample, not reported separately, and never pornography. What is porn-specific runs the other way: sexual images degrade working-memory performance while they are in front of you (C53), which is evidence that the two compete for the same resource, not evidence that a puzzle shortens an urge.
    • The closest study in the literature, named so it cannot be quoted as more — Skorka-Brown J, Andrade J, Whalley B, May J 2015, Addictive Behaviors 51:165-170, doi:10.1016/j.addbeh.2015.07.020, PMID 26275843
    • Searched and found empty, 21 September 2026 — six Europe PMC and PubMed queries pairing pornography, sexual craving and CSBD terms with tetris, visuospatial, dynamic visual noise, Corsi, working-memory load and cognitive load; zero relevant records, and zero PubMed records at all for the sexual-arousal crossing
    • Running the other way, and named for that reason — Sinke C et al. 2020, NeuroImage: Clinical 27:102308, doi:10.1016/j.nicl.2020.102308, PMID 32599553; Imhoff R, Barker P, Schmidt AF 2020, Archives of Sexual Behavior 49(2):531-550, doi:10.1007/s10508-019-01512-0, PMID 31696350
    • Elaborated Intrusion theory has reached pornography craving as measurement only — Ben Brahim F et al. 2024, Addictive Behaviors 148:107858, doi:10.1016/j.addbeh.2023.107858, PMID 37774528, the Strength of Pornography Craving Experience scale

More on urges in the app.

The full 41-lesson course is in the app, every claim graded the same way, and a Panic button for the moment an urge hits. Free.

Coming to iOS and Android.

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