39 Weird Quirks and Traits: Is it ADHD or AuDHD?

This episode started with a simple question I asked on social media: “What’s a weird habit of yours that you wonder if it’s tied to your ADHD/AuDHD?” 

Hundreds of responses came in. The traits or quirks that I read were hilarious, heartbreaking, and very relatable to me. 

I hand-picked over 35 traits to analyze and let you know if this could be related to being an ADHD/AuDHD human. 

While these behaviors might sound random or odd, or overly specific to a neurotypical, they’re loaded with meaning once you understand how a neurodivergent brain works. 

While these behaviors might sound random or odd, or overly specific to a neurotypical, they’re loaded with meaning once you understand how a neurodivergent brain works. 

? This will be rolled out as a 3-part series. Check out the full list below, and to get all of the details, listen to the full podcast episodes…

Episode 54 (part 1) theme:

Having trouble with TV shows ending, wanting spoilers for books and movies, and an intolerance of awkward moments.

Episode 55 (part 2) theme:

Sensory Stuff & Body-Based Regulation – Traits around textures, stimming, food rituals, symmetry, touch, and physical quirks

Episode 56 (part 3) theme:

Systems and rituals around time tricks, sorting, and hyperfocus.

Weird Quirks and Traits: ADHD or AuDHD?

1. Devouring a Book but Refusing to Read the Last 10 Pages / Avoiding Final Episodes of Shows

• Why this happens: Endings trigger emotional dysregulation, reward prediction errors, and feelings of loss.
• Key takeaway: Avoiding endings is a form of self-regulation that protects emotional energy and prevents grief-like states.
• Trait: ADHD

2. Re-Reading the Same Comfort Books Every Year

• Why this happens: Familiar stories provide emotional grounding, reduce memory load, and act as “refueling zones.”
• Key takeaway: Re-reading is not avoidance but a coping tool for comfort, stability, and steady dopamine release.
• Trait: ADHD & AuDHD

3. Hoarding Unread Books + Sampling First & Last Lines

• Why this happens: ADHD brains collect “potential” for dopamine hits while activation energy deficits make starting difficult.
• Key takeaway: This is not flakiness but a blend of curiosity, emotional foresight, and decision support.
• Trait: ADHD & AuDHD

4. Reading Plot Recaps First / Skipping Distressing Scenes

• Why this happens: Emotional reactivity and justice sensitivity make distressing scenes overwhelming, so foreknowledge reduces “emotional whiplash.”
• Key takeaway: Previewing or skipping isn’t avoidance — it’s emotional pacing to stay regulated.
• Trait: AuDHD

5. Starting a Sketchbook from the Back

• Why this happens: Beginnings create pressure, so flipping to the back lowers perfectionism and anxiety.
• Key takeaway: Starting “out of order” is a creative strategy that makes space for play and reduces scrutiny.
• Trait: ADHD & AuDHD

6. Extreme Sensitivity to Secondhand Embarrassment & Cringe

• Why this happens: RSD, mirror neurons, and empathic distress make others’ awkwardness feel physically painful.
• Key takeaway: What looks like oversensitivity is actually fast, deep nervous system reactivity to social cues.
• Trait: ADHD & AuDHD (often stronger in AuDHD)

7. Rewatching Shows to Manage Emotional Overwhelm

• Why this happens: Predictable content reduces decision fatigue, prevents overstimulation, and calms the nervous system.
• Key takeaway: Rewatching isn’t laziness — it’s deliberate regulation and rest for an overloaded brain.
• Trait: ADHD & AuDHD

8. Conversation Looping

• Why this happens: RSD and perseveration keep the brain replaying interactions to analyze or prevent future discomfort.
• Key takeaway: Conversation loops are not stubbornness but a sign the brain is trying to resolve emotional uncertainty.
• Trait: ADHD & AuDHD

9. No Interest in Trends, Celebrities, or Crush Talk

• Why this happens: Social scripts don’t trigger dopamine or meaning, and attraction may be experienced differently.
• Key takeaway: Neutrality toward trends or celebrity culture is a valid neurotype expression, not a flaw.
• Trait: AuDHD (with ADHD overlap)

10. Reading in the Bathtub or Hiding in Closets as a Kid

• Why this happens: Enclosed spaces regulate sensory input and create neuroceptive safety.
• Key takeaway: These “hiding places” were early self-regulation strategies, not odd behaviors.
• Trait: ADHD & AuDHD (strong sensory component)

11. Tuning Out Mid-Conversation After a Triggering Word or Memory

• Why this happens: ADHD brains can’t always inhibit triggered thoughts, causing attention to slip into the default mode network.
• Key takeaway: It’s not rudeness — attention was hijacked by neurological patterns beyond conscious control.
• Trait: ADHD (with AuDHD overlap)

12. Reflexively Saying “No” to Invitations or Suggestions

• Why this happens: Executive overload and demand avoidance make “no” the fastest, safest default.
• Key takeaway: The “automatic no” is about needing processing time, not lack of interest or laziness.
• Trait: ADHD (with AuDHD overlap)

13. Counting in Sign Language / Spelling Thoughts with Fingers

• Why this happens: Some ADHDers and AuDHDers externalize thought through movement when verbal working memory or internal dialogue is limited.
• Key takeaway: Finger spelling and step counting are self-made systems to process thoughts and regulate attention.
• Trait: ADHD & AuDHD (sometimes broader neurodivergence)

14. Eating the Same Food Every Day / Using the Same Bowl and Spoon / Rituals Around Oranges

• Why this happens: Predictable meals reduce decision fatigue and offer sensory comfort and control.
• Key takeaway: Food rituals aren’t rigidity but smart systems that preserve energy and regulate the nervous system.
• Trait: ADHD & AuDHD

15. Needing to Hug People as a Compulsion

• Why this happens: Emotional intensity and sensory-seeking can drive physical affection as self-regulation.
• Key takeaway: Hugging compulsively is often a healthy need for connection and grounding, as long as consent is respected.
• Trait: ADHD & AuDHD (especially AuDHD)

16. Disliking Makeup or Nail Polish / Pulling Nails or Hair as a Stim

• Why this happens: Heightened sensory sensitivity makes textures feel restrictive, while pulling behaviors regulate overload.
• Key takeaway: What looks like resistance to social norms is actually sensory integrity and nervous system regulation.
• Trait: AuDHD (with ADHD overlap)

17. Can’t Touch Certain Fabrics or Eat Specific Textures

• Why this happens: Tactile defensiveness causes everyday textures or foods to trigger overwhelming discomfort.
• Key takeaway: Sensory aversions are neurological, not pickiness, and reflect how the brain processes input.
• Trait: ADHD & AuDHD

18. Everything Has to Match (Odd Socks Feel Wrong) / Always Wearing Socks or Shoes

• Why this happens: Sensory hypersensitivity makes mismatched or bare-foot textures mentally disruptive.
• Key takeaway: Matching or covering up isn’t obsession — it’s sensory comfort and emotional regulation.
• Trait: ADHD & AuDHD

19. Aligning Coffee Cup Lids Exactly with the Seam

• Why this happens: Small rituals reduce cognitive load, create predictability, and act as transition cues.
• Key takeaway: Alignment habits are micro-rituals that ground the brain and aid focus.
• Trait: ADHD & AuDHD

20. Needing Food to Stay Separate and Be Eaten in a Strict Order

• Why this happens: Structured eating reduces sensory overload and creates predictable, manageable experiences.
• Key takeaway: Food separation and order are protective adaptations to manage sensory sensitivities.
• Trait: ADHD & AuDHD

21. Always Leaving a Bit Left (Milk, Shampoo, etc.)

• Why this happens: Executive dysfunction and emotional attachment make finishing things feel like loss or overwhelm.
• Key takeaway: Leaving the last bit is a regulation strategy, not laziness.
• Trait: ADHD

22. Obsession with Silky Textures (e.g., Satin Pillowcases)

• Why this happens: Tactile stimming provides calming, repetitive input that regulates the nervous system.
• Key takeaway: Seeking silky textures is a sensory regulation tool, not just a preference.
• Trait: ADHD & AuDHD

23. Long Nails, Dirty Hands, or Cuticles Cause Distress

• Why this happens: Sensory defensiveness and impaired sensory gating make minor irritants impossible to ignore.
• Key takeaway: Nail and hand rituals are about preventing sensory overload, not vanity.
• Trait: ADHD & AuDHD

24. Overeating to Stay Awake or Alert While Driving

• Why this happens: Eating provides stimulation and dopamine to counteract under-arousal during monotonous tasks.
• Key takeaway: Overeating in these moments is often dopaminergic self-regulation, not lack of discipline.
• Trait: ADHD

25. Saving the Best Bite of Food for Last

• Why this happens: ADHD brains use sequencing rituals to maximize dopamine and end on a rewarding note.
• Key takeaway: Meal-order rituals show how ADHDers structure tasks for motivation and satisfaction.
• Trait: ADHD

26. Humming Constantly (Often Without Realizing)

• Why this happens: Vocal stimming regulates emotions, attention, and sensory input through rhythm and sound.
• Key takeaway: Humming is a self-soothing focus tool that anchors the brain.
• Trait: ADHD & AuDHD

27. Needing Multiple Beverages at Once (e.g., 4–6 Drinks at a Desk)

• Why this happens: Novelty-seeking and sensory regulation drive variety in taste, texture, and temperature.
• Key takeaway: Stocking multiple drinks is task prep and a dopamine buffet, not procrastination.
• Trait: ADHD

28. “If I have my day planned—even if the plan is to do nothing—don’t change it or I’ll melt down.”

• Why this happens: Sudden changes break cognitive scaffolding and predictive safety, spiking transition dysregulation.
• Key takeaway: Protecting scheduled downtime isn’t rigidity—it’s nervous system recovery and autonomy.
• Trait: AuDHD (with ADHD overlap)

29. Is “Stacking Things” ADHD?

• Why this happens: Stacks externalize working memory, hold half-finished tasks, and can act as soothing pattern-based stims.
• Key takeaway: Visual piles are 3-D reminders and regulation tools, not laziness.
• Trait: ADHD & AuDHD

30. “I keep all my clocks fast—at different rates—to fix my lateness.”

• Why this happens: Time blindness drives urgency hacks, but the brain adapts and cancels the trick.
• Key takeaway: Lateness stems from executive function and time monitoring issues, not disrespect.
• Trait: ADHD

31. “I count how many steps it takes to cross the street.”

• Why this happens: Rhythmic self-regulation (proprioceptive/auditory stimming) anchors attention during transitions.
• Key takeaway: Quiet counting is a grounding strategy, not OCD—it keeps the brain engaged and calm.
• Trait: ADHD & AuDHD

32. Believing there’s a “right” system or routine for everything

• Why this happens: Magical-thinking + anticipatory anxiety seek perfect structure to tame executive dysfunction.
• Key takeaway: Overplanning is an attempt to reduce chaos; systems help, but flexibility matters more.
• Trait: ADHD

33. Needing to be mentally occupied at all times (“spiders in my brain”)

• Why this happens: Hyperactive mind + DMN dysregulation makes idle time feel chaotic, not restful.
• Key takeaway: Constant micro-engagements (labels, scrolling, background input) are self-regulation, not moral failure.
• Trait: ADHD (common in AuDHD too)

34. Hyperfixating on a topic for days/weeks (e.g., finding Atlantis)

• Why this happens: Interest-based attention locks on when dopamine finally matches curiosity.
• Key takeaway: Hyperfocus is a coping and meaning-making tool—powerful but hard to switch off.
• Trait: ADHD & AuDHD

35. Unintentionally mimicking accents

• Why this happens: Echolalia/mirroring via the mirror-neuron system aids connection, masking, and regulation.
• Key takeaway: It’s automatic social syncing, not mockery; naming it can prevent misunderstandings.
• Trait: ADHD & AuDHD

36. Needing a clear view of the train arriving or getting anxious

• Why this happens: Visual predictability provides safety cues and transition prep in sensory-heavy settings.
• Key takeaway: Seeking a vantage point is anticipatory regulation that reduces overwhelm.
• Trait: ADHD & AuDHD

37. Sorting Halloween candy by tastiness and keeping an inventory

• Why this happens: Reward sensitivity + justice sensitivity + working-memory supports for what matters most.
• Key takeaway: Categorizing protects dopamine hits and creates calm in overstimulating abundance.
• Trait: ADHD & AuDHD

38. Sorting/ironing money by denomination, mint, serial number

• Why this happens: Hyperfocus and sensory/order seeking turn chaos into structured, soothing patterns.
• Key takeaway: Meticulous sorting is regulation and completion, not just quirkiness.
• Trait: ADHD (with AuDHD overlap)

39. Seeing ADHD traits in yourself and wondering “what even is normal?”

• Why this happens: Late recognition reframes “personal failings” as neurodivergent traits, challenging social norms.
• Key takeaway: Questioning “normal” is identity repair—validation replaces shame and guides self-aligned choices.
• Trait: ADHD & AuDHD

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