What the Kids Eventually Figure Out: Side Relationships and the Ripple Effect

This content is shared for storytelling, educational, and entertainment purposes only and is not a substitute for professional counseling or therapy.

---

Somewhere in almost every side relationship story, there are children whose experience rarely makes it into the conversation. Not because it doesn’t matter, but because it is easier not to look at directly. Kids are quieter observers than most parents assume, and what they eventually figure out — whether told directly or pieced together over years — tends to shape them in ways that outlast the relationship that caused it.

---

Children Know More Than Parents Think

Even when parents believe a secret is well contained, children are often aware, in some form, of the tension surrounding a parent’s infidelity. Even younger children who are not explicitly told what is happening tend to pick up on the painful feelings and anger it produces in the household, and older children frequently understand more than they let on, sometimes for years before anyone confirms it directly (Medium / CHADIE Foundation). Silence about what is happening does not protect children from its effects. It just leaves them to interpret those effects without accurate information.

Takeaway: Children are aware of far more than most parents realize. Silence does not protect them from the effects of infidelity — it just leaves them to interpret those effects alone.

---

What the Research Actually Shows

The numbers here are sobering and worth sitting with. Clinical psychologist Ana Nogales, author of a book specifically studying this population, found that 75% of children experience lingering feelings of betrayal toward the parent who was unfaithful, 80% say the infidelity shaped their overall outlook on romance and relationships, and 70% describe it as affecting their general trust in other people (Talkspace). These effects are not confined to childhood. They follow directly into how these children, as adults, approach their own romantic relationships.

Research published in Family Process found that children of parents who commit infidelity are 30% more likely to struggle with forming trusting relationships in adulthood, and research in Family Relations found a 25% higher risk of these children eventually committing infidelity themselves (The CHADIE Foundation). Separately, a study in the Journal of Family Issues found that children whose parents were unfaithful were twice as likely to be unfaithful themselves in their own adult relationships.

---

The Age Factor

The impact of parental infidelity on children varies considerably depending on age, gender, and even cultural context, according to research published in the Journal of Clinical Psychology, and these differences shape both how children process the discovery and how visible their distress becomes to the adults around them (Scot Scoop). Adolescent girls in particular experience a uniquely destabilizing version of this, because parental betrayal arrives precisely when they are actively forming their own concepts of trust, family, and identity — meaning the disruption does not just affect an existing worldview, it actively shapes one still under construction.

Younger children may not have the cognitive framework to fully process what is happening, but they absorb the emotional climate of the household regardless — the tension, the whispered conversations, the sense that something is wrong even without understanding what. That absorption happens whether or not any adult intends for it to.

---

---

What One Woman’s Story Illustrates

A young woman named in a recent report on this topic described discovering her father’s infidelity as a fourteen-year-old, comforting her crying mother without any relationship experience of her own to draw on. Over a decade later, she describes the memory as something that never fully leaves — anger and resentment that resurface unexpectedly, tied permanently to two people who remain central figures in her life regardless of what happened between them. This is not an unusual account. It reflects a common pattern: the immediate crisis passes, but the child’s relationship to the memory does not simply resolve on the same timeline as the adults’ relationship does.

---

Why This Isn’t About Blame

These statistics are not presented to add guilt to an already painful situation. Any kind of childhood trauma can increase the likelihood of later difficulties with trust and relationships, so infidelity is one factor among several, not a guaranteed sentence. The purpose of naming this research plainly is different: to make visible a cost that is very easy to minimize in the moment, when the immediate crisis feels contained to the two adults directly involved.

Parents navigating infidelity, on either side of it, are almost always doing the best they can under enormous strain. Acknowledging the impact on children is not an indictment of anyone’s character. It is an honest accounting of a cost that deserves attention alongside everything else being managed.

---

What Kids Actually Want to Hear

Children navigating this rarely want a full accounting of adult relationship details, and providing one is generally not appropriate regardless of their age. What they do consistently benefit from is age-appropriate honesty about the fact that something difficult is happening, paired with clear, repeated reassurance that it is not their responsibility to manage, fix, or fully understand. The absence of any explanation tends to be worse for children than an honest, limited one — silence leaves them constructing their own theories, which are often more frightening or self-blaming than the truth would have been.

---

How Discovery Actually Happens

Children rarely learn about a parent’s infidelity through a single, clean conversation. More often, it arrives in fragments — an overheard argument, a strange interaction they cannot quite explain, a shift in how their parents relate to each other that they sense before they understand. Some children eventually confront a parent directly. Others piece it together slowly, sometimes not until adulthood, and carry unanswered questions for years before ever raising them.

How they eventually learn the truth matters less, according to research, than other factors that more strongly shape their emotional outcome — meaning how the situation is handled afterward carries more weight than the discovery moment itself (Scot Scoop).

---

How This Shapes Their Own Future Relationships

The most significant long-term effect may not be the immediate pain, which usually does soften over time, but the template it creates for what these children come to expect from their own future romantic relationships. Having witnessed betrayal up close, some grow up hypervigilant, scanning new partners for warning signs that may or may not actually be present. Others internalize secrecy itself as an ordinary, expected feature of relationships, which can make them less alarmed than they should be when a partner begins behaving similarly. Neither outcome is inevitable, and both are worth naming so that adults raising children through this can watch for the signs and address them directly, rather than assuming time alone will resolve what the experience taught.

---

What Actually Helps

If infidelity is an isolated incident that parents work through, often through counseling, the long-term ramifications for children tend to be significantly reduced compared to situations left unresolved or repeated (Medium / CHADIE Foundation). This is genuinely useful information for parents navigating this — the outcome for children is not fixed the moment infidelity occurs. It continues to be shaped by everything that happens afterward.

Takeaway: The long-term impact on children is shaped less by the infidelity itself and more by how it is handled — or left unresolved — afterward.

---

Supporting Children Through It

Reassuring children clearly that they did nothing wrong, and that the adult relationship difficulties are not theirs to fix or fully understand, matters more than most parents realize in the moment. If a child shows signs of increased anxiety, behavioral change, or withdrawal, professional support for the child specifically — separate from whatever support the parents are pursuing — can make a meaningful difference in how the experience gets processed rather than simply absorbed.

Navigating Parenting After Infidelity goes deeper into exactly this — age-appropriate honesty, where the line sits between transparency and over-sharing, and how to avoid turning a child into an emotional confidant during a season that was never theirs to carry.

Choosing the Right Support: Therapist, Counselor, or Coach applies here too — a therapist trained in family dynamics and child development is a different resource than the support an adult navigating infidelity might seek for themselves.

---

One Last Thing Worth Saying

Children are more resilient than the statistics alone might suggest, especially when the adults around them handle the aftermath with honesty and care rather than continued secrecy. This piece exists not to add weight to an already heavy situation, but to make sure the people most affected by it, and least able to advocate for themselves inside it, do not get forgotten in the process.

---

If You’re the Adult Child Now

If you grew up in this situation and are only now recognizing its impact on your own adult relationships, that recognition is valuable, not something to feel behind about. Healing After Infidelity: Consequences and Forgiveness was written primarily for people navigating their own betrayal, but much of it applies just as directly to adult children processing a parent’s infidelity decades later — the forgiveness work, and the accountability work, look remarkably similar regardless of which generation is doing it.

---

Key Takeaways

• Children are aware of far more than parents typically realize, even when a secret feels well contained.
• Research shows measurable long-term effects: increased difficulty trusting others, and a higher likelihood of infidelity in their own adult relationships.
• These effects are not about assigning blame — they exist to make visible a cost easy to minimize amid an immediate crisis.
• How infidelity is handled afterward matters more to a child’s long-term outcome than the discovery itself.
• Adult children processing a parent’s infidelity years later can benefit from the same accountability and forgiveness work as anyone navigating betrayal directly.

---

Go Deeper With Sherley’s Show

• Conversations — Sherley and Kira on healing and family impact. sherleysshow.com/category/podcast/conversation
• Interviews — Guest experts on rebuilding trust after betrayal. sherleysshow.com/category/podcast/interviews-podcast

Subscribe to Sherley’s Show  wherever you stream podcasts, and leave a review — it helps more listeners find the conversations they need.

---

What Adult Children Deserve to Hear Directly

If this is you: what happened was not a reflection of anything lacking in you, and it was never your responsibility to manage, predict, or prevent. Whatever patterns it may have shaped in how you approach trust and relationships now, those patterns are learnable and changeable with the right support, the same way any other early experience can be understood and worked through rather than simply lived with indefinitely.

---

Final Word

Children eventually figure out more than anyone told them, and what they figure out shapes them long after the adults involved have moved on. This is not a reason for guilt beyond what is already being carried. It is a reason to handle whatever comes next — disclosure, repair, or simply honest conversation — with the awareness that more people are affected by this than the two directly involved, and all of them deserve care in the aftermath.

We are rooting for you. We always are.

---

---

Sherley’s Show is learning and growing every single day. We aim to uplift all marginalized voices both on this podcast and in real life. Please note that we are always striving to change the problematic language that society has internalized in us. Thank you for your patience as we aim to strip certain phrases from our vocabulary.

---

Would you like to be a guest

Are you interested in getting your opinion out about a particular topic but don’t know how to do so?  If so, here is an opportunity to do so to share your point of view, PLUS get your message and voice out there.  It is always a great way to know about different perspectives and enrich ourselves through knowledge sharing.

Be a Guest

---

Submit your relationship question.

Sherley’s Show provides an atmosphere where every woman is comfortable growing into their best self. Sherley’s Show is a no judgment podcast where we discuss how to rise strong out of all types of obstacles that come with relationships. Through personal life experiences and discussions ranging from infidelity, trust, forgiveness, sex, heartbreak, self love, therapy and more, we offer words of empowerment as you strive to build and maintain all of the relationships in your life. You may be going through something that is unique and difficult. Sharing your story gives others comfort and could also be helping someone else. Let them know they are not alone. Everyone has a story, do not let fear hold you back.

Listener Stories, & Questions

---

Disclosure: This post contains affiliate links, I will get a commission if you decide to make a purchase through any of my links, at no cost to you. Please read my disclosure for more info.