When Autism or Autistic Traits Are Part of the Relationship

Different ways of thinking, feeling and communicating — and what happens when they meet in a relationship.

Relationships can be complicated enough when two people experience the world in similar ways.

But what happens when they don't?

Perhaps one partner wants to talk through their feelings while the other prefers to focus on practical solutions.

One thrives on spontaneity, while the other feels much more comfortable with routine and predictability.

One communicates through hints, tone of voice and subtle emotional signals. The other prefers things to be said clearly and directly.

Sometimes these differences reflect personality, upbringing or previous experiences.

And sometimes autism, or autistic traits, may be part of the picture.

Understanding neurodiversity can help couples make sense of differences that might otherwise be interpreted as indifference, criticism or a lack of love.

But understanding somebody's way of thinking doesn't mean dismissing your own needs.

How do two people build a fulfilling relationship when they experience and communicate with the world differently?

First, what is autism?

Autism is a lifelong neurodevelopmental difference that can influence communication, social interaction, sensory experiences, interests and the way someone processes information.

Autistic people are not all alike.

Some are highly sociable. Others prefer smaller amounts of social interaction.

Some express emotions very openly. Others find it difficult to put feelings into words, particularly under stress.

Some appreciate routines and predictability, while others are more flexible.

Autism isn't a measure of intelligence, kindness or someone's capacity to love.

And autistic people can have happy, loving and emotionally fulfilling relationships.

It's also important to distinguish between having certain autistic traits and being autistic.

Many people prefer routine, communicate directly or find emotional conversations difficult without being autistic.

We can't diagnose somebody from their relationship behaviour.

A formal assessment, where appropriate, requires a qualified professional.

Different communication styles

One of the biggest challenges in any relationship is assuming that our partner communicates in the same way we do.

For example, one person might say:

"It's been a really difficult day."

They may be hoping for reassurance, affection or simply somebody to listen.

Their partner might respond:

"Well, what are you going to do about it?"

One person feels unsupported.

The other believes they're being helpful.

Neither necessarily intended to upset the other.

Some autistic people favour direct, explicit communication and may find implied meanings difficult to interpret.

But communication misunderstandings can work in both directions.

A non-autistic partner may misread an autistic person's directness, tone or need for processing time.

Are you expecting your partner to understand what you mean without clearly explaining it?

And are you making assumptions about what their response means?

Emotional connection can look different

We often have an idea of what emotional support should look like.

Perhaps we want our partner to ask questions, notice when we're upset, offer reassurance or respond with warmth.

But people don't all express care in the same way.

Some may show love through practical help, reliability, shared interests or problem-solving.

Others communicate affection through words, touch or emotional conversations.

Some autistic people also experience alexithymia, a difficulty identifying or describing emotions. It is more common among autistic people but is not universal.

A person may care deeply while struggling to recognise or express what they're feeling.

However, understanding differences in emotional expression doesn't mean that either partner's needs should automatically take second place.

What makes you feel loved and emotionally supported?

And how does your partner naturally express care?

The double empathy problem

An interesting concept in autism research is the double empathy problem.

Traditionally, social misunderstandings involving autistic people were often described as difficulties belonging primarily to the autistic person.

But researcher Damian Milton proposed that communication problems can arise because autistic and non-autistic people experience and interpret the world differently.

In other words, misunderstandings can happen in both directions.

An autistic person may struggle to understand a non-autistic partner's expectations.

A non-autistic partner may equally struggle to understand the autistic person's perspective.

What if the difficulty isn't that one person doesn't understand relationships, but that both people are working from different expectations?

This shifts the focus away from blame and towards mutual understanding.

Routine, predictability and spontaneity

Some autistic people find routines reassuring and unexpected changes stressful.

A last-minute invitation, surprise visit or sudden change of plans may feel enjoyable to one partner and overwhelming to the other.

The spontaneous partner may feel restricted.

The partner who prefers predictability may feel that their needs aren't being respected.

Neither preference is inherently wrong.

But they may need to negotiate how they organise their shared lives.

Perhaps certain activities can be planned in advance while leaving room for flexibility elsewhere.

How can both partners' needs for predictability, freedom and spontaneity be considered?

Sensory differences and physical intimacy

Autism can involve differences in sensory processing.

Touch, noise, smells, lighting and physical closeness may be experienced more intensely or differently.

For some autistic people, particular forms of touch feel comforting.

Others may find unexpected touch uncomfortable or overwhelming.

These differences can influence affection, physical intimacy and sex.

But it's important not to assume that autistic people have lower sexual desire or are less interested in relationships.

Experiences vary enormously.

Have you discussed what kinds of affection and physical closeness feel comfortable and enjoyable for each of you?

Clear communication and mutual consent are particularly important.

When one partner feels lonely or misunderstood

Sometimes relationship differences can lead to significant emotional distance.

One partner may feel that their feelings are rarely acknowledged.

Perhaps conversations become focused on facts, logistics or practical matters rather than emotional experiences.

They may begin to feel lonely despite being in a long-term relationship.

Meanwhile, the other partner may feel constantly criticised for not responding in the expected way.

They may feel that whatever they say or do is somehow wrong.

Both experiences deserve attention.

And neither person's distress should automatically be dismissed because of a possible neurodevelopmental difference.

Can you acknowledge that your partner may experience the world differently while also recognising the impact the relationship has on you?

Understanding and accountability aren't opposites.

Autism isn't an explanation for everything

This is particularly important.

Not every communication difficulty, emotional disconnection or relationship problem is related to autism.

People also have personalities, values, habits, learned behaviours and personal histories.

An autistic person can be thoughtful or inconsiderate, affectionate or distant, flexible or inflexible — just like anybody else.

Autism may help explain certain experiences or support needs.

It doesn't excuse cruelty, intimidation, coercion or repeated harmful behaviour.

And it doesn't mean that the non-autistic partner must endlessly accommodate everything.

Are you recognising genuine differences while still expecting mutual respect and responsibility?

A relationship needs to work for both people.

What if autism has never been diagnosed?

Sometimes one partner begins to wonder whether autism might explain longstanding differences.

Perhaps they've read an article, listened to a podcast or recognised certain traits.

This can provide a useful starting point for curiosity.

But it can also become problematic if one partner begins labelling the other without their agreement.

A diagnosis isn't something a spouse or coach can make.

And not everybody who identifies with autistic traits wants or needs a formal assessment.

Where someone wishes to explore the possibility, a GP can advise on appropriate assessment pathways.

Would greater understanding help your relationship, regardless of whether a diagnosis is eventually made?

Finding ways to understand each other

Relationships involving different neurotypes can be fulfilling, but they may benefit from more explicit conversations about expectations.

Rather than assuming that a partner should automatically know what you need, it may help to communicate more directly.

For example:

"When I'm upset, I'd really appreciate you listening before offering solutions."

Or:

"I sometimes need time to process an emotional conversation. Can we come back to this in half an hour?"

Couples may also find it helpful to discuss sensory preferences, routines, social commitments and how they manage disagreements.

The aim isn't to make one person communicate exactly like the other.

It's to develop ways of understanding each other that feel respectful and workable.

And if longstanding difficulties are causing significant distress, a relationship therapist experienced in neurodiverse couples may be helpful.

A little self-reflection

1. What differences in communication or emotional expression have you noticed in your relationship?

2. How do you each naturally express love, care and affection?

3. What makes you feel understood and emotionally supported?

4. Are there situations where you repeatedly misunderstand each other's intentions?

5. How do your needs for routine, spontaneity, social interaction or personal space differ?

6. Have you discussed sensory preferences and physical intimacy openly?

7. Are you making assumptions about your partner's motivations or emotional experiences?

8. Do both partners feel that their needs and perspectives matter equally?

9. Where might greater understanding help — and where are firmer boundaries needed?

10. What would a more mutually supportive relationship look like?

A coaching exercise: Same situation, different experience

Think of a recurring situation where you and your partner seem to misunderstand each other.

QuestionYour reflectionWhat happened?How did I interpret my partner's behaviour?What might their experience have been?What did I need in that moment?What might they have needed?What could we communicate more clearly next time?

Now ask yourself:

Am I expecting my partner to experience the world exactly as I do?

Am I making enough space for my own needs as well as theirs?

What could mutual understanding look like in practice?

A final thought

Autism and autistic traits can influence how people communicate, process information, express affection and navigate relationships.

But they don't determine whether somebody can love, care or build a fulfilling partnership.

Sometimes understanding neurodiversity can help couples reinterpret years of misunderstandings.

What once seemed like indifference may have been a different way of expressing care.

What appeared to be stubbornness may have involved genuine difficulty with unexpected change.

And what felt like criticism may have been an attempt to communicate directly.

But understanding isn't the same as excusing everything.

Both partners deserve respect, emotional consideration and the opportunity to have their needs heard.

Perhaps the aim isn't to make two people think and feel in exactly the same way.

It's to understand those differences well enough that neither person feels they have to disappear to make the relationship work.

Something to think about, don't you think?

The psychology behind this sheet

• Milton, D. E. M. (2012). On the ontological status of autism: The double empathy problem. Disability & Society, 27(6), 883–887. — Introduces the idea that communication difficulties between autistic and non-autistic people can arise from differences in mutual understanding.

• Crompton, C. J., et al. (2020). Neurotype-matching, but not being autistic, influences self and observer ratings of interpersonal rapport. Frontiers in Psychology, 11, 586171. — Research exploring how shared or different neurotypes may influence interpersonal connection.

• Bird, G., & Cook, R. (2013). Mixed emotions: The contribution of alexithymia to the emotional symptoms of autism. Translational Psychiatry, 3, e285. — Explores difficulties identifying and describing emotions and their relationship with autism.

• NICE (2012, updated). Autism Spectrum Disorder in Adults: Diagnosis and Management (CG142). — Guidance on assessment, support and the diverse needs of autistic adults.

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Disclaimer: This handout is intended for general education and self-reflection only. It does not provide autism assessment, diagnosis, psychotherapy, relationship counselling or clinical treatment. Autism is a diverse neurodevelopmental condition, and no individual should be labelled or diagnosed based on relationship behaviours alone. Where assessment or specialist relationship support is needed, consult appropriately qualified professionals. Understanding neurodiversity does not require anyone to tolerate coercion, abuse or harmful behaviour. Fusion Fit coaching supports self-awareness, communication, mutual understanding and healthy boundaries.