What Keeps Bulimia Going: PDF Worksheet, Tools and Exercises

Patients with bulimia often arrive with a degree of self-awareness about their binge-purge cycle, yet that awareness changes very little. The clinical challenge is not information; it is making the self-perpetuating structure of the disorder visible enough to actually interrupt. This PDF worksheet gives that structure a concrete, portable form.

Why the maintaining loops of bulimia resist verbal explanation

Bulimia nervosa is, from a CBT standpoint, four reinforcing loops rather than one. Patients understand this abstractly when you name it. What they typically miss, and what verbal explanation alone rarely conveys, is the reciprocal quality: each loop fuels the others, so the cycle repairs itself even when one element weakens temporarily. Patients who intellectually grasp the restriction-binge connection will still purge, because the purging loop operates on its own permission-granting logic: "I'll just get rid of it." That secondary logic does not surface in a spoken explanation unless you slow the cycle down visually and point to it directly.

A second obstacle is the worth-equals-weight petal. When self-worth is organised almost entirely around shape and weight, all-or-nothing thinking around food rules becomes structurally overdetermined; patients do not experience it as a cognitive distortion but as a simple reality. Naming that dynamic in session requires a shared diagram, not a lecture. Without a visual anchor, patients tend to nod and then re-enter the loop unchanged.

What the fiche contains: a four-petal model as a session tool

The fiche is structured across four numbered panels, each doing a distinct psychoeducational job. The opening panel introduces the four-petal flower: beliefs about shape and weight, all-or-nothing eating rules, purging behaviours, and food as emotional soother. The line "Good news: interrupting one petal weakens the other three" is placed there deliberately; it reframes the model from overwhelming to tractable before the patient has even read the mechanism explanations.

Panel two lists common triggers organised in plain language: skipped meal, feeling fat, weighed yourself, conflict or rejection, broke a food rule followed by the classic "what the hell" escalation. You can point to these with the patient and ask which ones lit up most recently, without requiring the patient to generate the vocabulary themselves.

Panel three walks through each petal mechanistically, including a precise framing of why purging maintains rather than cancels: "The escape hatch is what keeps the door open." This single sentence does work that several minutes of oral explanation often cannot, because the visual layout holds the patient's attention on the paradox. Alongside this, the fiche addresses the starvation syndrome dynamics that fuel the restriction-binge loop, grounding hunger pressure in physiology rather than moral failure.

Panel four maps where the cycle can break, ranked by clinical leverage. Regular eating (three meals plus two snacks, regardless of the previous binge or purge) is listed first and explicitly marked as the strongest lever. Clinicians familiar with the Fairburn protocol will recognise this sequencing immediately. The closing section, "To discuss in session," provides the patient with three concrete prompts to bring back next appointment, keeping the fiche as an active clinical bridge rather than an inert handout.

> Key point: this is a visual psychoeducation tool for the clinician to use with the patient during session, not a self-completion questionnaire. The four-petal diagram makes the reciprocal maintaining structure of bulimia concrete in a way that spoken formulation rarely achieves, and it leaves the patient with a physical reference point between appointments.

When and how to introduce the fiche

This worksheet fits best in early-to-mid formulation work, once the initial assessment is complete and the therapeutic alliance is established. Introducing it before the patient has articulated the cycle in their own words risks feeling premature; introducing it much later misses its primary utility as a shared map.

A low-inference framing works well for most patients: "I'd like to show you a diagram that captures what keeps this going structurally. It's not about willpower; it's about four loops that reinforce each other. Let's look at it together and see which ones feel most familiar." For patients with low self-esteem organised heavily around body image, the explicit "not a moral failing" messaging at the top of the fiche deserves a deliberate pause.

The fiche pairs directly with the more detailed CBT model of bulimia nervosa for clinicians who want a mechanistic formulation diagram alongside the psychoeducation sheet. When binge eating is a primary feature without purging, Binge Eating Disorder materials warrant separate consideration. For patients further along in treatment, lapse and relapse management and urge surfing resources pick up naturally where this fiche's lever section ends.

Debriefing the fiche at the following session around the "To discuss in session" prompts keeps the work grounded: which petal lit up first this week, what thought preceded the purge, which meal felt impossible to plan. When the pattern fits a broader transdiagnostic eating disorder picture, the fiche also articulates naturally with What Keeps Anorexia Going for patients moving between restrictive and bulimic presentations. The fiche does not replace the formulation work; it makes the formulation visible.

Sources

• Fairburn, C. G. (2008). Cognitive Behavior Therapy and Eating Disorders. Guilford Press.
• Fairburn, C. G. (2013). Overcoming Binge Eating (2nd ed.). Guilford Press.
• Waller, G., Cordery, H., Corstorphine, E., Hinrichsen, H., Lawson, R., Mountford, V., & Russell, K. (2007). Cognitive Behavioral Therapy for Eating Disorders: A Comprehensive Treatment Guide. Cambridge University Press.
• Waller, G., Mountford, V., Lawson, R., Gray, E., Cordery, H., & Hinrichsen, H. (2010). Beating Your Eating Disorder: A Cognitive-Behavioral Self-Help Guide for Adult Sufferers and their Carers. Cambridge University Press.
• National Institute for Health and Care Excellence (NICE) (2017). Eating Disorders: Recognition and Treatment (NG69).