What Happens When Third Parties Enter the Relational Space
In intimate relationships, much of what happens between us is never communicated through words alone. Human beings are deeply relational and emotionally sensitive. We notice shifts in tone, warmth, attention, emotional availability, eye contact, tension, distance, and atmosphere, often long before we consciously understand what is happening.
Sometimes, we begin sensing that something within the relationship has changed, yet nothing explicit has been spoken.
A partner may seem more distant, doubtful, critical, emotionally unavailable, suspicious, or uncertain. We may feel a subtle shift in the emotional field between us, while simultaneously questioning ourselves:
Am I imagining this?
Am I overreacting?
Why does something suddenly feel different?
Why do I feel anxious, unsafe, or somehow outside of the relationship?
This can feel deeply confusing and destabilising, particularly when the tension itself remains unspoken.
In family systems theory, one way of understanding this dynamic is through the concept of triangulation. Triangulation occurs when emotional tension within a relationship begins moving indirectly elsewhere rather than being held and communicated directly between the two people involved.
At times, rather than bringing vulnerability, frustration, insecurity, hurt, longing, fear, or emotional need directly into the relationship, we may find ourselves turning elsewhere. We may speak to friends, family members, colleagues, therapists, or even our children about the relationship rather than speaking directly to our partner themselves.
Sometimes another person may gradually begin holding emotional intimacy that is no longer being shared within the relationship itself. We may seek soothing, reassurance, validation, admiration, emotional understanding, or closeness outside the partnership rather than bringing these experiences openly into the relationship. Vulnerability, intimacy, and emotional processing may slowly begin moving elsewhere, often without us fully recognising that this is happening.
Many of these patterns are often learnt through earlier experiences within our families and relationships. We may have grown up in environments where direct communication felt emotionally charged, unsafe, overwhelming, or unavailable. Tension may have moved indirectly through the family rather than being openly spoken about. A parent may have brought a child into adult conflict, relied on them emotionally, spoken to them about the other parent, or formed alliances within the family in order to regulate emotional tension. Over time, these ways of relating can become familiar without us fully realising it.
This does not mean that speaking to others about our relationships is inherently unhealthy. At times, seeking support, understanding, or perspective outside of the relationship can be helpful. The difficulty often arises when emotional intimacy, vulnerability, and relational processing consistently move outside the relationship itself.
Once emotional processing consistently happens outside the couple, the relational field itself can become crowded.
The relationship is no longer held solely between the two people within it. Other voices, opinions, anxieties, frustrations, fears, interpretations, perceptions, and emotional alliances may gradually begin occupying the space between the couple. Over time, this can begin shaping how we experience and respond to one another. We may no longer feel directly encountered by our partner, but instead feel viewed through the lens of outside conversations, assumptions, anxieties, or narratives that have formed elsewhere. This can create profound confusion, self-doubt, insecurity, instability, and the painful sense of no longer feeling emotionally safe or directly met within the relationship.
Triangulation may also involve bringing third parties into the relationship in ways that evoke jealousy, insecurity, comparison, or emotional uncertainty. Often this happens unconsciously. A person who feels insecure within themselves or within the relationship may seek reassurance through the attention, admiration, or emotional response of others. Sometimes seeing a partner react with jealousy or insecurity may temporarily reassure someone that they are wanted, valued, or emotionally important.
Yet these dynamics can become deeply painful and destabilising over time. Emotional safety may begin eroding. Confusion and hypervigilance can grow. The receiving partner may feel increasingly anxious, excluded, or as though the emotional connection within the relationship has shifted elsewhere.
Underneath many of these dynamics is often a difficulty tolerating direct emotional vulnerability. Speaking openly about fear, hurt, insecurity, longing, dependency, jealousy, shame, or emotional need can feel frightening and exposing. Turning elsewhere may temporarily reduce anxiety, but over time it can also create distance from the very intimacy and directness the relationship itself requires.
Often, neither partner is intentionally trying to create harm. These dynamics frequently emerge unconsciously as ways of managing anxiety, protecting against vulnerability, maintaining emotional connection, or recreating familiar relational patterns learnt through our earlier relationships with parents, caregivers, and family environments. Yet recognising the emotional impact of these patterns remains important.
This does not mean that relationships become free from insecurity, conflict, jealousy, fear, or emotional complexity. Rather, over time, we may begin learning that it is safe enough to bring more of these parts of ourselves directly into the relationship. To speak from a more vulnerable and honest place. To risk allowing ourselves to be seen within our insecurity, fear, hurt, longing, or uncertainty rather than immediately moving these experiences elsewhere.
Over time, these feelings may also begin to soften and feel less overwhelming within the relationship itself. Moments of insecurity, fear, jealousy, or uncertainty may still arise, but they no longer hold the same intensity or organise the relationship in the same way.
This kind of trust and emotional safety often develops slowly within relationships. Through moments of openness, honesty, vulnerability, and emotional presence. Through the experience of feeling that we can bring more of ourselves into the relationship and trust that these parts of us will be met with care rather than judgement.
By Serena Maren