For parents navigating infidelity, concern for children is rarely separate from their own experience—it sits alongside the pain, the uncertainty, and the disruption within the family.
While much of the focus is - and should be, on the couple, parents are often acutely aware that their children are experiencing painful shifts. Knowing how to handle this, during a time of complete overwhelm is confusing.
From a clinical and family systems perspective, the impact of infidelity on children is not only shaped by what is said or not said, but by the broader shifts that occur within the family. Changes in emotional connection, roles, and boundaries can unfold in subtle ways, often without conscious awareness, yet have a meaningful influence on how children experience safety, stability, and relationships.
Negash & Morgan (2016), clinical research using a structural family therapy framework, demonstrates that infidelity destabilises family roles, boundaries, and emotional safety. Children are not passive observers in this process. They experience the shift—whether anything is said to them or not.
Negash & Morgan (2016) research explores the impact of parental infidelity, and particularly the couple’s relationship strains, which often results in priority shifts with parent-child boundaries shifts. Without careful conversation, connection and support, children can become drawn into what is described in the literature as dysfunctional triads.
This is not a conscious decision by parents—it is a common systemic response because of new blurred parent-child boundaries, emotional bonding through common pain, loyalty binds, and emotional pressures within the couple relationship.
Over time, these dynamics can evolve into what is clinically understood as enmeshment - where emotional boundaries between parent and child become blurred through the original deep connection.
This has important implications beyond childhood. Research has consistently shown that exposure to unresolved parental infidelity is associated with difficulty forming secure attachments, increased anxiety around trust and commitment, and altered beliefs about relationships in adulthood.
Studies including Whitton, Rhoades & Stanley (2013) and Siguan et al. (2021) highlight how these early experiences can shape expectations of fidelity and relational safety across the lifespan.
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