Parts, Attachment, and Why We React in Relationships
- leigh milne
- May 31
- 4 min read
Understanding the Trauma-Informed Patterns That Shape Connection
By Leigh Milne, Psychologist & Couples Therapist
Have you ever noticed that during conflict with your partner, you seem to react in ways that do not fully reflect who you are at your best?
Perhaps part of you longs for reassurance and closeness, while another part wants to withdraw, shut down, or protect itself. Many people describe feeling confused by their reactions, particularly when they know they love their partner but still find themselves repeating the same arguments or patterns.
From a trauma-informed and attachment-based perspective, these reactions are often not random. They may reflect protective patterns that developed earlier in life and continue to influence how we respond to connection, vulnerability, and emotional threat within adult relationships.
Understanding these patterns can be an important step toward creating greater awareness, emotional regulation, and relationship satisfaction.
Attachment Patterns: Early Blueprints for Connection
Attachment theory suggests that our earliest relationships help shape expectations about safety, trust, connection, and emotional support.
These early experiences can influence how we respond to closeness and conflict throughout adulthood.
Common attachment patterns include:
Anxious Attachment
Individuals with anxious attachment patterns may be particularly sensitive to signs of distance or disconnection.
They may:
seek reassurance frequently
worry about abandonment or rejection
become highly distressed during relationship conflict
feel compelled to pursue connection when feeling uncertain
Avoidant Attachment
Individuals with avoidant attachment patterns often value independence and self-reliance.
They may:
withdraw when emotional intensity increases
struggle to communicate vulnerable feelings
feel overwhelmed by conflict or emotional demands
prefer to regulate distress independently
Disorganised Attachment
Disorganised attachment can involve simultaneously wanting closeness while also feeling unsafe within connection.
Individuals may experience:
confusion around intimacy
strong fears of rejection alongside fears of vulnerability
fluctuating patterns of approach and avoidance
heightened emotional reactivity during conflict
Research suggests these patterns are often associated with earlier relational trauma, inconsistent caregiving, or adverse childhood experiences.
Secure Attachment
Secure attachment is characterised by the ability to balance connection and autonomy while maintaining emotional safety.
Individuals with more secure attachment patterns are generally better able to:
communicate needs openly
tolerate conflict without excessive fear
seek support when needed
maintain connection while respecting boundaries
Importantly, attachment patterns are not personality flaws. They are adaptive responses developed in response to life experiences.
Understanding Parts Work in Relationships
Many contemporary therapeutic approaches recognise that people often experience themselves as having different emotional states, perspectives, or "parts" that become activated in different situations.
Approaches such as Resource Therapy and other parts-based models suggest that these inner experiences can influence how we think, feel, and behave within relationships.
For example:
a vulnerable part may fear rejection or abandonment
a protective part may withdraw to avoid emotional pain
an angry part may become defensive when feeling threatened
a people-pleasing part may struggle to communicate boundaries
These responses often develop with positive intentions. Their purpose is usually to protect us from perceived danger, emotional overwhelm, or further hurt.
The Role of the Nervous System
From a trauma-informed perspective, relationship conflict can activate the nervous system in ways that resemble earlier experiences of threat.
When this occurs, individuals may automatically move into protective states such as:
fight
flight
freeze
shutdown
In these moments, reactions are often driven more by the nervous system than by conscious choice.
This is one reason many couples report saying or doing things during conflict that they later regret.
Understanding nervous system activation can help partners shift from blame toward curiosity and compassion.
Why Conflict Escalates So Quickly
One of the most common patterns seen in couples therapy involves a pursue-withdraw cycle.
For example:
one partner seeks reassurance or connection
the other partner becomes overwhelmed and withdraws
the first partner increases efforts to reconnect
the second partner distances further
Both partners are often attempting to create safety, but their strategies are very different.
Without awareness of attachment and nervous system patterns, these cycles can become increasingly entrenched and painful.
Moving Toward Awareness, Regulation, and Connection
When couples begin to understand their attachment patterns and protective responses, new possibilities often emerge.
Couples may learn to:
recognise when attachment wounds are being activated
identify which parts are responding during conflict
understand the needs beneath defensive behaviours
regulate emotional responses more effectively
communicate with greater clarity and empathy
respond to each other with curiosity rather than criticism
Many evidence-based couples therapy approaches, including IMAGO Relationship Therapy, attachment-focused interventions, and parts-informed approaches, aim to help couples develop these skills.
Neurodivergence, Attachment, and Relationships
For neurodivergent couples, including those affected by ADHD or autism, attachment and communication patterns may be further influenced by differences in sensory processing, emotional regulation, executive functioning, and communication styles.
What appears to be withdrawal, avoidance, criticism, or emotional intensity may sometimes reflect differences in nervous system processing rather than a lack of care or commitment.
Understanding these differences can help couples move away from blame and toward greater mutual understanding.
A Trauma-Informed Perspective on Relationship Difficulties
Many relationship challenges are not necessarily signs of incompatibility.
Instead, they may reflect protective patterns that developed earlier in life and continue to operate automatically in adulthood.
As these patterns become more visible and better understood, couples often report:
greater emotional safety
reduced reactivity
improved communication
increased compassion for themselves and each other
stronger feelings of connection and trust
Awareness does not eliminate challenges, but it can create opportunities for more intentional and meaningful responses.
Further Reading and Support
Couples Therapy and Relationship Counselling
Leigh Milne is a psychologist and couples therapist with a particular interest in attachment-focused couples therapy, trauma-informed relationship work, IMAGO Relationship Therapy, nervous system regulation, and parts-informed approaches.
For information about couples therapy and psychology services:
Visit: www.leighmilne.com
Southwest Trauma Therapy
For additional trauma-informed services and practitioner information:
Couples Intensives and Retreats
For relationship education, couples intensives, retreats, and additional resources:
Related Articles
Understanding Attachment Wounds in Adult Relationships
The Wheel of Consent: Why Permission Matters in Relationships
Why Trauma Can Affect Intimacy and Connection
Neurodivergence, Communication, and Relationships
When Childhood Trauma Influences Adult Relationships
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