Why the Fear of Weight Gain Feels So Intense (and What We Actually Do With It in Therapy)

The fear of weight gain isn’t really about weight. That’s usually the first thing we need to get honest about. Because when someone says “I’m scared of gaining weight,” what they’re often describing is something much bigger and much less tangible:

• Loss of control

• Uncertainty about what will happen next

• Fear of becoming someone they don’t recognise

• Fear of how they’ll feel in their own body

• Fear of being judged, rejected, or “not good enough”

Weight becomes the container for all of that. And over time, your brain learns: If I control my weight, I can control how I feel. It makes sense why it becomes so powerful.

Where this fear actually comes from

Most people haven’t just “decided” to fear weight gain.

It’s usually been shaped over years:

• Diet culture and messaging about “good” and “bad” bodies

• Subtle or overt weight stigma

• Perfectionism and high internal standards

• A nervous system that already finds uncertainty hard to tolerate

• Experiences where control = safety

So the fear isn’t random. It’s learned. It’s reinforced. And it’s often tied into a deeper pattern I see a lot in my work:

“I need to get this right. I need to stay in control. I can’t afford to get this wrong.”

Why weight feels so unpredictable in recovery

This is the part people often want certainty on. And I won’t give you false reassurance here.

Your weight may:

• Go up

• Go down

• Stay the same

• Fluctuate

That’s not failure. That’s biology. Your body isn’t a spreadsheet. It’s a system.

When you’ve been restricting, bingeing, or stuck in cycles with food, your body is trying to stabilise. That process isn’t linear, and it’s not something we can micromanage into behaving perfectly.

Trying to control it tightly (through calorie tracking, rules, or constant checking) often keeps the system dysregulated.

What we actually focus on instead

In therapy, we don’t just say “accept weight gain” and leave you there. That’s not realistic, and it’s not how change works.

We focus on:

1. Building capacity to tolerate uncertainty Because this is usually the real issue underneath. Can you be in your body without knowing exactly what will happen next?

2. Reducing the need for control (without removing safety) There’s a difference between structure and control. We keep what supports you, and gradually loosen what traps you.

3. Working with the nervous system, not against it If your body feels unsafe, no amount of logic will override that. This is where approaches like EMDR can be helpful alongside CBT.

4. Untangling the meaning of weight Weight often becomes linked to identity, worth, and safety. We work on separating those out.

5. Re-establishing trust in your body Not in a vague, fluffy way, but in a practical, grounded way:

• Eating more consistently

• Responding to hunger

• Understanding patterns instead of reacting to them

  
  

About “set point”

You might have heard about set point theory. In simple terms: your body has a range it naturally settles into when it’s consistently nourished.

But here’s the important bit- We don’t aim for a number.

We aim for:

• Stability

• Functioning

• Energy

• Cognitive clarity

• A body that isn’t in constant threat mode

Your weight tends to stabilise as a by-product of that, not the goal.

The part no one likes hearing

You can’t fully recover from an eating disorder while still needing absolute certainty about your weight. At some point, there’s a shift from:

“I need to control this so I feel safe”

to

“I’m learning I can feel safe without controlling this in the same way”

That shift doesn’t happen overnight. And you don’t do it by forcing yourself.

You do it by gradually increasing your capacity, mentally and physically, to handle what comes up.

If you’re stuck in this right now

If this is hitting a nerve, you’re probably not just dealing with food. You’re dealing with:

• Pressure to get things right

• Fear of losing control

• A system that doesn’t tolerate uncertainty easily

And weight has become the place that all lands. That’s exactly the kind of work I do, structured, collaborative, and focused on actually moving things forward (not just talking about it for months on end).

Work with me

I offer:

• 1:1 therapy (limited availability)

• EMDR intensives for more focused, in-depth work

• Clarity & Direction consultations if you’re unsure where to start

  
  

If you’re ready to approach this differently, you can:

• Book directly via my client portal

I’m Becky Grace Irwing, a BABCP-accredited CBT and EMDR therapist and Registered Mental Health Nurse. I offer therapy in-person in Norwich and online across the UK.

I specialise in working with eating disorders, complex trauma, and neurodiversity - particularly where patterns like perfectionism, over-responsibility, and the need for control keep people stuck.

My work is structured, collaborative, and focused on helping you move forward, not just understand the problem. Alongside therapy, I offer EMDR intensives for more focused, in-depth work.

I also bring lived experience of long-standing patterns with food, so I understand how these difficulties develop and why they’re not as simple to change as they might look from the outside.