This article is for psychoeducational purposes only. Understanding attention, dopamine, and under-arousal is not an excuse to engage in behaviours that hurt a partner or the relationship.
The intention of this article is to increase understanding, reduce shame, and support learning so individuals and couples can move forward in adaptive ways that protect connection and support healing.
On the surface, Emma and Tom look like a solid couple. They love each other, they’re committed, and they both genuinely want the relationship to work. Yet Emma often feels a quiet ache of disconnection – Tom drifts when she’s talking, reaches for his phone during family time, or seems mentally elsewhere when things slow down. She wonders if she’s boring him, if she no longer matters, or if someone or something else has his attention.
Tom, meanwhile, feels confused and ashamed. He wants to be present. He doesn’t mean to tune out or hurt Emma. But his mind slips away before he even notices, especially during long conversations, routine evenings, or emotionally heavy moments. The more Emma protests, the more Tom feels like a failure; and the more stuck they both become in a cycle of hurt, defensiveness, and distance neither of them intended.
Many couples notice patterns where one partner struggles to stay present, becomes distracted, or is pulled toward behaviours that create tension or hurt. The other partner may feel confused, rejected, or unsafe.
Often, these cycles are not about lack of care or commitment. They are frequently linked to differences in attention regulation, dopamine sensitivity, and nervous system arousal, particularly when ADHD traits are present.
Understanding these patterns does not remove responsibility — but it does help couples move away from blame and toward repair, skill-building, and emotional safety.
Attention does not always follow intention
Human attention does not reliably follow values, love, or conscious choice. For some people, especially those with ADHD traits, attention is more strongly influenced by the nervous system’s level of arousal.
Attention is more likely to drift when the brain is in a state of under-arousal, such as during:
• Repetitive or monotonous tasks
• Sustained listening or social engagement
• Parenting or caregiving responsibilities
• Studying, admin, or routine work
Even when these activities are meaningful, they may not provide enough stimulation to keep attention engaged. The brain responds automatically, often outside awareness.
Dopamine: the brain’s engagement signal
Dopamine is not just about pleasure. It plays a central role in motivation, focus, and sustained effort.
When dopamine is low — as it often is during effortful, repetitive, or slow-reward activities — the nervous system experiences discomfort. For people with more dopamine-sensitive systems, this discomfort is felt more quickly and more intensely.
The brain then scans for stimulation that will restore engagement. This can happen in seconds, without conscious intent.
Under-arousal happens in everyday life
Under-arousal is not limited to boredom in the traditional sense. It can arise during many important life activities, including:
• Long periods of study or work
• Parenting and family life
• Socialising or listening without active engagement
• Tasks that matter but feel effortful or slow
In these states, attention may drift toward whatever offers novelty, visual interest, or habitual stimulation — often through phones, online platforms, or previously learned coping behaviours.
Habits, attention drift, and past coping strategies
Over time, the brain learns which behaviours reliably increase stimulation. Even behaviours that are no longer sought for their original purpose can become automatic regulators of attention, such as:
• Scanning visual content online
• Habitual phone checking
• Previously used coping strategies, including pornography
This does not mean the person is dissatisfied with their partner or seeking emotional or sexual connection elsewhere. However, the impact on the relationship can still be significant, particularly when trust has been previously strained.
Intent does not erase impact
In close relationships, the impact of behaviour often outweighs intent.
Partners may experience:
• Loss of emotional safety
• Reactivation of earlier wounds
• Feelings of invisibility or inadequacy
• Fear of being replaced or overlooked
Understanding the nervous system drivers behind behaviour does not minimise harm — but it does help couples approach repair with clarity rather than shame.
Why shame undermines change
Shame tends to narrow awareness and increase avoidance. When behaviour is framed as moral failure, the nervous system becomes defensive, making change harder.
Research consistently shows that awareness, accountability, and skill development lead to more sustainable outcomes than self-criticism or control-based approaches.
Doing hard things builds nervous system resilience
One often-missed part of recovery and growth is the role of chosen effort and discipline.
For sensitive nervous systems, discomfort during low-stimulation or effortful tasks is experienced more intensely. Avoidance offers short-term relief but lowers tolerance over time.
Engaging in manageable, meaningful difficulty helps the nervous system learn that discomfort is survivable.
Examples include:
• Regular exercise or physical training
• Studying or learning new skills
• Endurance activities like hiking or climbing
• Consistent relational effort and parenting
These activities provide slow, earned dopamine, strengthening the brain’s capacity to stay present without needing immediate stimulation. Over time, this builds:
• Greater tolerance for under-arousal
• Improved emotional regulation
• Stronger executive functioning
• Reduced reliance on impulsive dopamine-seeking behaviours
This is resilience — not forcing, but training the nervous system through repeated, values-based effort.
An EFT perspective: protecting the bond
From an Emotionally Focused Therapy (EFT) lens, these patterns are not character flaws. They reflect people trying to manage discomfort while partners try to protect connection.
When couples slow the cycle down together, space opens for:
• Accountability without attack
• Vulnerability without collapse
• Repair that strengthens the bond
Moving forward together
Understanding attention, dopamine, and under-arousal allows couples to:
• Reduce shame and blame
• Develop practical, shared language
• Build skills that support presence and trust
Change happens through awareness, accountability, and practice, not perfection.
Gentle reflection
As you read this, where do you notice effort, avoidance, or resilience showing up in your relationship? What might be worth exploring together in therapy to stay present and connected?
Authored by Kerrin Van Der Kruk
Kerrin is a warm and supportive psychologist who helps individuals and couples move through life’s challenges with greater clarity, connection, and self-understanding.
