Relationships can bring us into contact with some of our most vulnerable emotional experiences. A person we love and trust may, in a moment of conflict or disappointment, suddenly feel threatening, uncaring, or impossible to reach.
The affection and closeness we felt toward them only moments earlier can seem to disappear. In their place, we might experience intense anger, fear, hurt, or an urgent need to withdraw.
This experience is sometimes described as splitting.
What Is Splitting?
Splitting refers to a psychological process in which it becomes difficult to hold different, sometimes contradictory, aspects of ourselves or another person in awareness at the same time.
Someone we experience as loving, dependable, and safe may suddenly seem entirely selfish, rejecting, or dangerous when something painful happens between us.
The shift can feel absolute. In that moment, it may be difficult to remember the tenderness, care, and connection that also exist in the relationship.
Splitting is often discussed in connection with borderline personality disorder (BPD), but it is not exclusive to BPD. Under sufficient emotional stress, many people can experience some degree of all-or-nothing thinking or difficulty holding complexity.
Understanding splitting through a compassionate lens invites us to become curious about what might make these shifts necessary or protective.
How Splitting Can Develop as a Protective Response
Imagine a child who depends on a caregiver for love, safety, and survival, but whose caregiver is also frightening, unpredictable, neglectful, or emotionally unavailable.The child faces an enormously difficult experience: the person they need for safety is sometimes the very person who makes them feel unsafe. For a developing nervous system, holding these contradictory experiences together may be overwhelming.
One way of adapting is to experience the caregiver differently at different times. When the caregiver is loving and attentive, the child may experience them as entirely good. When the caregiver is frightening or rejecting, that same person may feel entirely bad.
From a parts-work perspective, we might understand these experiences as different protective parts carrying different emotional truths about the relationship. One part may hold the longing for closeness, love, and connection. Another may carry fear, anger, mistrust, or the impulse to escape. Each response may make sense in the context in which it developed.
This is one possible developmental pathway, rather than an explanation for every experience of splitting. Not everyone who experiences splitting has a history of relational trauma, and many factors can influence how we respond to emotional distress.
When Splitting Shows Up in Adult Relationships
As adults, these patterns may become especially noticeable in intimate relationships, where attachment needs and vulnerabilities can be deeply activated.
We might experience a new partner as extraordinary: someone who finally understands us, sees us, and offers the connection we've always longed for. Then something happens. They forget an important date, seem distracted during a conversation, ask for space, or respond in a way that feels dismissive.
The emotional shift can be immediate. A person who felt loving and trustworthy may suddenly seem uncaring or cruel. We might feel compelled to end the relationship, lash out, withdraw, or seek reassurance with an urgency that surprises even us.
The emotional experience is real, even when our interpretation of the other person's intentions may not capture the whole picture.
And the other person may genuinely have behaved hurtfully. Understanding splitting does not require dismissing real relational injuries or assuming that our distress is always a misperception. The invitation is to become curious about how our emotional state influences which aspects of the relationship are available to us in a given moment.
Splitting, Parts Work, and Differentiation
Parts work offers one way of approaching these shifts with curiosity.
Rather than treating the different experiences as evidence of inconsistency or dysfunction, we can explore what each part is feeling, what it fears, and what it may be trying to protect.
Perhaps a part that idealizes a partner carries a deep longing to finally feel safe and loved. Another part may become intensely angry when it detects the possibility of rejection, attempting to protect us from the vulnerability of needing someone who might hurt us.
Both may be responding to something important.
Differentiation offers another useful lens. It involves developing the capacity to remain connected to ourselves while recognizing that another person has their own feelings, intentions, needs, and limitations.
When we are emotionally overwhelmed, another person's disappointment or withdrawal may feel inseparable from our own sense of worth or safety.
As our capacity for differentiation grows, we may become better able to recognize that someone can love us and still disappoint us. They can be frustrated with us without abandoning us. We can feel hurt or angry without losing access to everything else we know about the relationship.
This capacity develops through experience, supportive relationships, and opportunities to notice what happens within us when connection feels threatened.
Making Room for More Than One Truth
Healing does not mean that painful relational experiences stop affecting us.
It may mean gradually developing more capacity to stay present with the complexity of those experiences.
We can love someone and feel angry with them. We can recognize their care while acknowledging the ways they've hurt us. We can want closeness and also need boundaries.
Sometimes this begins with noticing the moment a shift happens. What changed in my body? What did I feel just before the anger or urge to withdraw appeared? Is there a younger or more vulnerable experience underneath this response? What does this part of me need right now? These questions are invitations to explore, rather than demands to override our feelings.
With enough support and curiosity, experiences that once seemed irreconcilable may begin to coexist. We can develop greater freedom in how we respond, while remaining connected to the emotional truths that deserve our attention.
Exploring Splitting in Therapy
Somatic therapy and parts work can support this exploration by helping us notice how relational experiences live in the body, recognize protective responses, and gradually expand our capacity to remain present during emotional intensity.
Therapy can also offer a relationship in which moments of misunderstanding, disappointment, and repair become opportunities for new experiences.
Sam Trivett is a Registered Clinical Counsellor in Vancouver, BC, whose work focuses on complex trauma, relationships, and the protective patterns that develop in response to difficult life experiences. Drawing on somatic therapy, parts work, and relational approaches, Sam is interested in how greater curiosity and compassion can help us understand ourselves and create new possibilities for connection.
