“But you didn't act this way before…”: The Truth About Late-Diagnosis Burnout
- Abbey Brocklehurst
- Jan 23
- 2 min read
I was diagnosed as AuDHD at 30, and let me tell you, it was the biggest "lightbulb moment" of my life. But it also came with a side of absolute exhaustion. If you’ve spent 20, 30, or 40 years trying to fit into a world that wasn't built for your brain, you aren't just "tired." You are likely exhausted from a lifetime of masking.
What is Masking? (And why is it so draining?)
Masking is that "invisible" job we do every single day. It’s suppressed stimming, forcing eye contact until it hurts, rehearsing conversations in your head, and monitoring your tone of voice so you don't "sound weird." When you do this for three decades without knowing why, you aren't just "adapting" you’re running a marathon in shoes that don't fit, while pretending you’re enjoying a casual stroll. Eventually, the engine gives out. That’s Autistic Burnout.
The "Post-Diagnosis" Plot Twist
Here’s something people don’t talk about enough: Once you get your diagnosis, you start to drop the mask. You start to say "no" to loud parties, you might use fidget toys, or you might stop forcing that painful eye contact. And then, you hear it. A friend, a partner, or a colleague says:
“You would never had known you was autistic until you was diagnosed”
Let’s set the record straight: We aren't acting "more" anything. We are finally acting like ourselves.
What people are seeing isn't a "new" version of us; it's the unmasked version. We aren't "becoming" more Autistic; we are simply losing the energy to hide it. Masking is a survival strategy, but it’s a high interest loan eventually, the debt comes due, and the only way to pay it back is through radical rest and authenticity.
Why Burnout hits harder later in life
When you find out you're neurodivergent later in life, there is a lot of "backwards processing" to do. You’re grieving the person you had to pretend to be, while trying to figure out who you actually are underneath all those layers of "socially acceptable" paint.
It’s messy. It’s chaotic. And it’s incredibly fatiguing.
How to navigate the Burnout
If you're in the thick of it, here is my "extra spicy" advice:
Stop "Powering Through": That’s what got us here in the first place. If you need a day in a dark room with your favourite snack or takeaway and no talking take it.
Validate your experience: You aren't "faking it" now, and you weren't "fixed" before. You were just surviving.
Find your "People": Talking to someone who actually gets it (because they’ve lived it) makes a world of difference. In therapy, you don't have to explain your "spiciness" to me I already speak the language.
Rebuilding yourself after a late diagnosis is a huge job, but you don't have to do it alone. I’m a bubbly, person-centred counsellor in Liverpool, and I specialise in helping neurodivergent folk untangle the years of shame and find their true selves. Are you ready to stop pretending and start living? Book a free 20 minute intro call. No jargon, no judgment just real talk and a bit of a laugh.
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