You know how to say no. You are able to hold your ground in difficult conversations. You don’t let people walk all over you at work, and you are not afraid to speak up when something isn’t right.
So why do you still feel exhausted and depleted?
This is one of the most common challenges I see in high performing neurodivergent clients. They arrive confident in their assertiveness, yet remain puzzled about why they do not feel significantly better. They have read the books, practiced ‘I’ statements and had the difficult conversations, and still feel worn out.
As a neurodiversity therapist and coach with 12 years of professional experience, and as an AuDHD woman myself, I want to challenge a common assumption: the idea that assertiveness and boundaries are the same. They are not. Understanding the distinction, however, can be profoundly transformative.
The difference between assertiveness and boundaries
Assertiveness is a skill. It is learnable, practicable and valuable. It reflects your ability to communicate your needs, opinions and limits clearly and directly.
A boundary, however, is not primarily a communication strategy. A boundary is an internal framework. It defines what you need, what you are willing to tolerate and what actions you are prepared to take to protect your wellbeing, not just what you are prepared to express outwardly.
Many of my clients are highly skilled communicators. They are articulate, self – aware and often professionally trained in these very skills.
Assertiveness, in itself, is not the problem.
The issue arises when assertiveness exists without a solid internal boundary. In that case, assertiveness becomes a performance, and performances are exhausting, especially for neurodivergent adults who are already expending significant energy navigating the gap between who they are and what the world expects of them.
This is where neurodiversity informed coaching and therapy diverge from more conventional approaches. The work is not just about what you say, it is about what you truly believe you deserve.
What a real boundary actually is
A boundary is not a script you rehearse before a difficult conversation.
A boundary is grounded in an internal belief that you are worthy. It manifests as clarity about what you will and will not accept in your own life, followed by self compassionate actions that are consistent with that mindset.
Most of my clients who struggle with boundaries are not struggling to say the words. They are struggling to believe that they are entitled to the boundary in the first place.
This distinction is fundamental in neurodivergent mental health support. It is also one of the areas where trauma informed neurodiversity therapy has the most to offer, because the belief that you are not quite entitled to your own needs is almost always rooted in history.
Why this is especially relevant for neurodivergent adults
Neurodivergent individuals, frequently grew up receiving the message that their needs were too much, too specific, or simply inconvenient. Sensory processing issues that made certain environments unbearable were dismissed. Executive functioning differences that made certain tasks harder were misread. Emotional responses were labelled as overreactions.
Over time, many neurodivergent adults learnt to pre-emptively shrink their needs before anyone else could reject them. They became very skilled at navigating other people’s needs and not very experienced at identifying and protecting their own.
This is not a personality flaw. It is an entirely logical adaptation to an environment that consistently communicated that their needs were negotiable and other people’s were not.
Therapy for late diagnosed autism and ADHD coaching for adults often uncovers this pattern as one of the most deeply rooted and least obvious. It does not announce itself; it hides behind high performance, helpfulness and what, from the outside, appears to be impressive self – sufficiency.
The high performer’s version of this problem
High-performing neurodivergent adults often have a particularly sophisticated version of this pattern.
They are competent, capable and able to solve problems. When something feels wrong in a relationship or at work, they tend to approach it as a problem to be solved through better communication. They fine-tune their language. They pick the right moment. They frame things carefully.
And sometimes it works, in the short term. The other person responds. The immediate tension eases. But the underlying dynamic does not change, because the dynamic is being maintained not just by what is said but by what is believed.
If you believe, at some level, that keeping others comfortable is more important than honouring your own limits, you will keep finding ways to accommodate, no matter how assertively you communicate in the moment.
This is what I mean when I say that assertiveness without an internal boundary is a performance. It takes skill to maintain, but it does not address the root.
Coaching for neurodivergent adults, when it is genuinely ND affirming, goes underneath the skill to the belief. That is where lasting change actually happens.
What trauma has to do with boundaries
For many neurodivergent individuals, difficulties with boundaries often stem from a feeling of needing to survive. Growing up in an environment where expressing needs leads to conflict, withdrawal, criticism or punishment teaches the mind and body to deprioritise those needs in order to preserve safety and connection. This is not weakness; it is intelligence applied to a challenging and sometimes unsafe environment.
The difficulty is that the mind and body do not automatically recalibrate when circumstances change. You may be in relationships, communities or workplaces that are fundamentally different from those that shaped you. Yet your body can continue to operate according to earlier protective patterns, responding as though old risks are still present.
Trauma informed care for neurodivergent individuals recognises and respects this reality. Rather than focusing solely on behavioural strategies, such as encouraging someone to ‘just say no’, trauma informed neurodiversity therapy attends to the underlying mind and body responses that make asserting boundaries feel threatening, even when it is objectively safe to do so.
Integrative neurodiversity coaching can support this process by drawing on a range of approaches, including psychosynthesis coaching, Internal Family Systems and polyvagal-informed frameworks. Together, these modalities help clients understand the origins of their protective patterns and, over time, develop boundaries and ways of relating that feel more authentic, sustainable and self directed.
The role of self worth in boundary work
There is an uncomfortable truth about boundaries: they require you to believe that your needs matter as much as other people’s.
Not more. As much.
For many of my clients, this is quite a radical idea. They can agree with it intellectually. However, the difficulty arises when putting it into practice.
How neurodiversity coaching supports self esteem is not a separate issue from boundaries; the two are fundamentally interconnected. A person with a stable and internalised sense of their own worth does not need to rely solely on rehearsed scripts in order to set boundaries. They have a clear understanding of their needs and a belief that those needs are valid and carry equal weight.
Cultivating this internal sense of self trust is a gradual process. However, it represents one of the most significant and transformative forms of personal development an individual can undertake.
Where to begin
If this resonates with you, the following are constructive places to begin:
Resentment is often a late indicator that a boundary has been crossed, while depletion usually serves as the early warning. Pay attention to moments when you begin to feel even slightly drained after an interaction, this subtle fatigue is often the first signal that a boundary has been exceeded.
Don’t be afraid to ask for what you truly need, not only what you can justify needing. Individuals may feel confident advocating for needs that seem reasonable while suppressing those that feel excessive. Both types of needs are important.
You don’t need to make your boundaries vocal in a conversation. A boundary can exist without assertiveness, it is sometimes a quiet, internal decision that never needs to be expressed aloud. For example, it might involve choosing not to attend an event or deciding not to share certain information. The other person does not always need to be informed.
Focus on the belief, not just the behaviour. Managing neurodivergence is not simply about developing practical strategies, though strategies are important. It also involves addressing the deeper story you carry, helping you recognise and affirm that your needs are legitimate.
If you feel you need guidance, seeking support can be incredibly valuable. Integrative counseling for neurodivergent adults, provided by a practitioner with an insider understanding of neurodivergence, can make a significant difference. Neurodiversity and mental health can be closely intertwined, and difficulties with boundaries are rarely solely a matter of skill.
A Note on Relationships and Neurodiversity
Boundaries in relationships can be particularly complex for many neurodivergent adults. Rejection sensitive dysphoria, the intense fear of rejection often associated with ADHD and autism, can make any boundary feel like potential relationship ending events. This is not irrational, it is an experience that deserves to be taken seriously.
Autism coaching for adults and ADHD coaching for adults, particularly when trauma informed, can help one learn to manage the discomfort of the moment. It requires patience. But it is definitely possible,
The strategies for neurodivergent adults to succeed in relationships are not fundamentally different from success in other areas of life. They require self awareness, support and the patient, honest work of building trust and resilience in your own inner experience.
The strategies for neurodivergent adults to succeed in relationships are not fundamentally different from success in other areas of life. They involve self awareness, support and the patient, honest work of building trust and resilience within your own inner experience.
The clear takeaway
It is important to recognise that assertiveness alone cannot protect you if you do not curate the belief that you are worth protecting.
Boundaries are not scripts; they are an internal framework cultivated from the belief that your needs, limits and well being matter.
If you are finding things challenging, following all the right steps yet still feeling exhausted and unprotected, do not worry. This is likely where attention is needed.
Effective neurodiversity support is not about making you better at performing; it is about helping you recognise that you no longer need to prove yourself through performance.
Ready to Work on This?
You already know how to speak up. The next step is believing you are worth it.
[Book a discovery call with Sara-Louise at ZCA here]
Sara-Louise Ackrill is a Neurodiversity Specialist Therapist and Coach at Zoe Clews & Associates and she is also the co-author of “The ND Lovers Club.” She offers online therapy and coaching to professionals and students over 16, who are based all over the world.
