The Shopping Trolley Test
- Tony Skehan
- Jun 22
- 3 min read

Why That Abandoned Trolley Is Ruining Your Day
There it is.
A lone shopping trolley sitting diagonally across a parking space like it owns the place. A few short paces from a trolley bay which is in plain sight. No sign of its former owner. Just a metal monument to someone else's decision-making.
For some people, it's mildly irritating.
For others, it triggers a level of outrage normally reserved for tax returns, slow Wi-Fi and people who stop abruptly at the top of escalators.
But why?
And perhaps more importantly, why do some of us become so emotionally invested in the whereabouts of a supermarket trolley?
The Psychology of the Rogue Trolley
On the surface, the issue seems simple. Someone has finished their shopping and couldn't quite summon the energy required to return a trolley approximately 15 feet to its designated resting place.
The result?
Extra work for staff, blocked parking spaces, potential damage to vehicles and a general sense that civilisation is hanging by a thread.
The trolley itself isn't really the problem. It's what it represents.
The abandoned trolley becomes a symbol of selfishness, laziness, entitlement or a complete disregard for other people. Whether that's actually true is another matter entirely.
The mind is remarkably efficient at creating stories.
"That person clearly thinks the rules don't apply to them."
"They couldn't be bothered."
"They are the reason society is collapsing."
It's quite an impressive leap from trolley to societal breakdown, but the human brain does enjoy a bit of dramatic storytelling.
Mindfulness: Noticing the Story
From a mindfulness perspective, the interesting part isn't the trolley.
It's our reaction to it.
The trolley simply exists.
The anger, frustration and internal commentary arrive afterwards.
Mindfulness encourages us to notice the chain of events:
See trolley.
Judge trolley.
Judge trolley owner.
Judge entire generation.
Develop mild existential crisis.
When we become aware of this process, we start to recognise that much of our emotional reaction comes not from the event itself, but from the meaning we've attached to it.
That's not to say the trolley isn't annoying.
It absolutely is.
Mindfulness isn't about pretending everything is wonderful. It's about noticing what's happening in your mind without automatically climbing aboard the emotional rollercoaster.
Or in this case, the emotional shopping trolley.
The Assumption Trap
One of the most useful questions mindfulness asks is:
"What else could be true?"
Perhaps the person was distracted.
Perhaps they had an upset child.
Perhaps they were in pain.
Perhaps they received an urgent phone call.
Or perhaps they genuinely couldn't be bothered.
The point is that we usually don't know.
Yet our minds tend to leap confidently towards the explanation that generates the most irritation.
It's an impressive talent, really.
Presented with ten possible explanations, the brain often selects the one most likely to elevate blood pressure.
The Real Question
The more useful question isn't:
"Why didn't they return the trolley?"
It's:
"Why am I carrying this trolley drama around in my head twenty minutes later?"
Because while the trolley may have been abandoned in the car park, many people continue pushing it mentally for the rest of the afternoon.
The event ends.
The irritation doesn't.
This is where mindfulness can be incredibly valuable.
It helps us recognise that while we can't control what other people do, we do have some influence over how long we choose to stay hooked by it.
We may not be able to influence the trolley enthusiast who treats supermarket car parks like an abstract art installation.
But we can influence our response.
One Simple Way to Let Go of the Anger
The next time you spot a rogue trolley and feel irritation bubbling up, try this:
Silently say to yourself:
"Yes. This is annoying, but I don't need to carry it with me all day."
That's it.
No chanting. No mountain-top meditation retreat. No need to become a Zen master in the frozen food aisle.
Simply acknowledge the annoyance and consciously decide not to take it home with you.
Leave the annoyance in your trolley, after you have put in back in it’s place. Correctly stacked and lined up with all’s it’s mates.
The person who left the abandoned trolley behind has probably forgotten all about it.
There's very little point in allowing them to occupy space in your mind long after you've loaded your shopping into the boot.
And if all else fails, remind yourself that you were only trying to buy milk.
Not solve the problem of human behaviour.
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