There’s a particular kind of irony to getting diagnosed with ADHD and immediately thinking:
…what if I’ve made it up?
Not in a dramatic, moustache-twirling way. More in that quiet, nauseous, post-appointment way where your brain decides it would like to audit your entire personality – and it does it with the confidence of someone who’s never once met you on a good day.
Because I didn’t just stumble into diagnosis accidentally.
I researched ADHD for years. I read the articles. Hoarded the screenshots. Watched the TikToks that felt like someone had snuck into my house and narrated my life back to me in 30 seconds flat. I collected words like executive function and time blindness and held them up to my own patterns like they were swatches at B&Q.
And now, after finally getting the label, there’s this strange little voice asking:
- Did I answer the questions correctly?
- Did I accidentally… perform the symptoms because I knew what they were?
- Did my research influence me so much that I walked into the assessment already convinced?
- Is it ADHD… or am I just very committed to an elaborate excuse?
Which is deeply annoying, because if I were faking it, I’d like to think I’d at least be better at remembering to do the laundry.
The myth: diagnosis brings certainty
I think we’re sold this idea – quietly, socially, without anyone explicitly saying it – that diagnosis is a finish line.
That you get the name and suddenly everything in your life snaps into place like a neat little jigsaw. The fog clears. You become the sort of person who does things in the correct order, without needing a five-minute pep talk and a snack.
Spoiler: you don’t become that person.
Sometimes you just get a new kind of clarity… and then a new kind of doubt.
“But I researched it first…”
This is the bit that trips me up.
Because part of my impostor syndrome isn’t “maybe I’m not ADHD” – it’s “maybe I influenced the outcome.”
Like I revised too hard for a test I wasn’t meant to revise for.
But when I pull back and look at it more gently, I can see another truth sitting underneath:
Most people don’t spend years researching a condition for fun.
They do it because something in their life isn’t working the way it seems to work for other people, and they’re trying to understand why.
Research isn’t proof that you’re faking. Often it’s proof that you’ve been trying.
Trying to translate yourself. To find the missing manual. Trying to stop calling yourself lazy when you’re actually exhausted.
Assessments aren’t quizzes (thank god)
One of the things that helps – when my brain is in “courtroom mode” – is remembering that ADHD assessments aren’t meant to be passed like an exam.
They’re not looking for you to say the magic words.
They’re looking for patterns. History. Impact. The way the same themes show up across different parts of your life, in ways that can’t be explained away by “you just need to try harder.”
That’s why they ask about childhood. Why they ask about different settings – home, work, relationships, school memories. That’s why they sometimes want input from someone who knows you well.
Because ADHD isn’t a vibe you caught from the internet.
It’s a neurodevelopmental thing. It tends to show up early. It tends to be consistent, even if the way it looks changes as you get older.
So no – you didn’t “cheat” by being informed.
You turned up with language. That’s not cheating.
That’s survival.
The real question underneath the question
If I’m honest, the fear isn’t actually “what if the diagnosis is wrong?”
The fear is:
What if people think I’m making excuses?
It’s the old story that’s followed me around for years, just wearing a slightly more sophisticated outfit now.
You’re capable. You just don’t apply yourself. You could do it if you really wanted to. You’re smart. Why can’t you just… remember to take those empty mugs to the dishwasher.
I’ve carried those sentences for so long they’ve started to sound like my own voice.
So when diagnosis arrives, my brain doesn’t immediately go, “Oh good – we’re safe now.”
It goes:
“Okay… but what if you’re still just failing morally?”
Which is a heartbreaking little habit, really. A brain trying to protect you by pre-emptively accusing you before anyone else can.
The after bit no one warns you about
Here’s what I wish someone had told me:
Getting the name doesn’t instantly give you confidence.
Sometimes it gives you grief, anger and sometimes it gives you relief so intense you cry on a Teams call. And sometimes it gives you a weird hangover of self-doubt that shows up the moment you’re alone in the kitchen, staring at the washing up, thinking: Surely someone else finds this easier than I do…
I’m still learning how to hold the diagnosis without immediately putting myself on trial for it.
Some days I can. Some days I can’t.
But I’m trying – slowly, stubbornly – to replace “prove it” with “notice it.”
Because the point isn’t to convince myself I deserve help.
The point is to build a life that fits.
And if you’re reading this with that same impostor feeling in your throat – that same “what if I’m a fraud” loop – I just want to say:
You don’t have to earn support by suffering in silence.
You’re allowed to understand your own brain.
And being informed doesn’t make your experience less real.
It just means you found words for something you’ve been carrying for a long time.
And honestly?
That’s not cheating.
That’s courage.
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