Why small things tip your PDA child over the edge

For parents of children with pathological demand avoidance (PDA), it can be baffling when a small, seemingly random moment tips their child over the edge.

Here is why those moments are data points rather than causes, and what they can tell you about your child's nervous system.

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I’m writing today from the small couch in William’s bedroom.

He’s seven, PDA, and after going to school three days this week, he woke up yesterday and clearly expressed that he needed to stay home.

So we let him.

After a year and four months of burnout and him needing 1:1 care from us almost every waking hour, we are not going to risk the cost of encouraging, incentivizing, or pressuring a return to school before his nervous system is ready.

Yesterday, like we did all of last year, Jake and I rotated caregiving shifts.

In the afternoon, William and I walked our dog, made orange juice from scratch, and turned an acorn we found outside into a little necklace. 

I quietly hoped that this 1:1 time and lowered demands would help widen his Window of Tolerance enough for school today.

But this morning, I couldn’t find the homemade acorn necklace. 

And I knew this might be the tipping point. The deciding factor in whether or not he made it to school. In the end, he wasn't able to go. William is home with me again today.

Reading this, it’s easy to think two things:

a) A child’s attendance at school should not hinge on an acorn necklace (valid thought!), and
b) Does not finding something they need really “cause” school avoidance?

This is the nuance, and it came up more than once in this week’s Paradigm Shift Program workshop.

Yes, our children and teens often have what look like outsized reactions to small, random moments.

It’s natural to hone in on that moment – the way we phrased something, that song on the radio that led to screaming, the incorrect delivery of a food request – and see it as the cause.

But when we focus too closely on the in-the-moment tipping point or trigger as the “problem to solve,” we miss the more important logic: these are tipping points, not root causes.

They are “just data” that tells us about two things:

👉 How much cumulative stress our child has in their body

👉 How wide (or narrow) their Window of Tolerance is today

That is the information that can guide our bigger-picture decisions, especially in that tenuous phase before or after burnout when a PDA child or teen’s Window of Tolerance is very small.

So the question I want to leave you with is:

Am I focusing on the acorn?

Or am I focusing on all the micro-moments my child perceives as losses of autonomy and equality that have nothing to do with the acorn?

If this shifts something for you, that's enough.

Have a good weekend.