The short answer
Tell children together if you can, keep it short and honest, reassure them it is not their fault and that both parents stay their parents, and answer only what they ask. What they need most is predictability: where they will sleep, who picks them up, and that the adults are handling it.
What do children need to hear first?
If you are dreading this conversation, that is a sign you care about getting it right. You do not need perfect words. You need a few true, simple sentences, said calmly, and then the patience to repeat them many times over the coming months.
Before anything else, children need to know three things: the separation is not their fault, they will continue to be loved by both parents, and both of their homes are safe. Everything else, the schedule, the logistics, the paperwork, comes after that.
Children are wired for safety and attachment, not adult-level complexity. Your words and actions in the early weeks matter more than any legal document.
You don't have to have all the answers. In fact, pretending you do can backfire. It's okay to say: "We don't know everything yet about how things will look, but we both love you, and we will figure it out together."
How do you tell your children you are separating?
If at all possible, tell the children together, both parents present, calm, sitting down. This sends a powerful message that you are still a family, even if a different kind than before.
Keep it simple. Don't over-explain. Don't blame. Don't give children information they're not equipped to handle. "Mom and Dad have decided that we're going to live in two different homes" is enough. Children will ask questions, answer honestly but simply, and let the conversation grow over time.
Choose a day when there's time afterward, not before school, not right before bed, not on a holiday. Give the children space to react. Some cry. Some ask practical questions. Some go quiet. Some don't seem to react at all and fall apart three weeks later. All of this is normal.
A script you can adapt
Agree the words with your co-parent beforehand so the children hear one story, not two. Something like:
"We have something important to tell you. Mom and Dad have decided that we are not going to be married anymore, and we are going to live in two homes. This is a grown-up decision. It is not because of anything you said or did, and nothing you could do would change it. We both love you, and that will never change. You will still see both of us a lot. Here is what will stay the same: your school, your friends, [the dog, swimming on Saturdays]. Here is what will change: [Dad is moving to an apartment near the park on the 15th]. You can ask us anything, today or any day, and you can feel however you feel about it."
Then stop talking and let them respond. Have one or two concrete next steps ready ("You'll see Dad's new place on Saturday and help choose a colour for your room") because concrete details calm children more than abstract reassurance.
What to agree with the other parent first
Settle three things before you sit down: a one-sentence, blame-free reason ("We weren't able to make each other happy, and we tried hard"), what changes first and when, and how you will tell each other what the children ask afterwards so your answers stay consistent. You could open that conversation with: "Whatever happens between us, I'd like the kids to hear this from both of us, the same way. Can we agree on what we'll say?" If your co-parent won't take part, or it isn't safe to be in the same room, tell the children yourself using the same principles and say nothing negative about the other parent's absence. If there has been violence or you are afraid, read separating when there is abuse first.
What do children experience at each age?
What a five-year-old needs to hear is very different from what a fifteen-year-old needs. Knowing what's typical at each stage helps you respond with patience rather than frustration.
Infants & Toddlers (0 to 3)
They don't understand what's happening, but they feel itVery young children don't understand what separation means, but they are acutely sensitive to tension, disruption in routine, and emotional states in the adults around them. They may become clingy, irritable, have more difficulty settling, or regress in sleep or toileting.
- Consistent routines, same feeding times, nap times, bedtime rituals in both homes
- Calm, regulated caregivers, your emotional state is contagious
- Short, predictable transitions, long separations from either parent are hard at this age
- Familiar objects that travel between homes (favourite toy, blanket)
- Expose them to conflict or tense handoffs
- Change their routine more than necessary during the adjustment period
Preschool (3 to 5)
Magical thinking, fear of abandonment, big emotionsPreschoolers often believe they caused the separation, especially children who have recently had tantrums or been "bad." They think in magical terms ("I was bad so Daddy left") and need direct, clear reassurance that this isn't about them.
They may regress to younger behaviour: bedwetting, baby talk, separation anxiety that had disappeared. This is normal. Don't punish it, acknowledge it and give extra reassurance.
- Direct, repeated reassurance that the separation was not their fault
- Simple, concrete explanations ("You'll sleep at Mommy's on Mondays and Tuesdays, and at Daddy's on Wednesdays and Thursdays")
- Visual calendars they can look at to understand the schedule
- Permission to love both parents without feeling guilty
- "This is not because of anything you did. Nothing you could have done would have changed this."
- "You are going to see Daddy/Mommy lots and lots. We both love you more than anything."
School Age (6 to 9)
Loyalty conflicts, sadness, and the wish to fix thingsSchool-age children understand more, and worry more. They often feel torn between parents, afraid that loving one means betraying the other. They may try to "fix" the situation, ask repeatedly if you're getting back together, or take on an emotional caretaker role for the parent they perceive as more upset.
Academic performance can drop. Social withdrawal is common. Some children act out; others become unusually compliant. Watch for both.
- Explicit permission to love both parents without guilt
- Adults who can hold their own emotions, children this age feel responsible for parents' feelings
- Consistency at school as much as possible
- Kept informed about schedule changes in advance
- Connection to peers and normal activities
- "You're the man/woman of the house now"
- Anything that puts your child in the middle of adult decisions
- Negative comments about the other parent, even indirectly
- "You never have to choose between us. You're allowed to love Dad and love me, and to have fun at both houses."
- "Looking after the grown-ups is not your job. We have help, and we are going to be okay."
- "We're not getting back together. I know that's hard to hear. You can be sad or cross about it, and I'll still be here."
Tweens (10 to 12)
Embarrassment, anger, and the beginning of opinionsTweens are old enough to understand the situation more fully, which can make them more angry, at one or both parents, at the situation, at the perceived unfairness. They may align more strongly with one parent, take sides, or attempt to manipulate the situation to their advantage (playing parents against each other on rules, screen time, bedtime).
They're also intensely self-conscious. They worry about what their friends will think, whether their social life will be disrupted, and whether they'll have to change schools.
- Honest age-appropriate explanations (they can handle more reality than younger children)
- Input into some aspects of the schedule, but not decision-making power
- Social life preserved as much as possible
- Consistent rules across both households
- Acknowledgment of their feelings without validating unreasonable demands
- "You can tell your friends as much or as little as you want. That's your story to share."
- "We want to hear your ideas about the schedule. We'll take them seriously, and the final decision is ours, so you're not stuck in the middle."
Teenagers (13 to 18)
Withdrawal, testing limits, and forming their own view of eventsTeenagers often appear more affected than younger children because they have the capacity to understand what's really happening, and to judge. They may form strong opinions about which parent is "right," become angry at both parents, withdraw into their peer group, or become more involved with romantic relationships as a form of escape.
Respect their autonomy. A teenager who is forced into a schedule they feel is unfair will resist it, and they have the independence to do so. The law listens too: in Canada, the Divorce Act requires courts to consider a child's views and preferences, giving due weight to age and maturity, and US states also consider a mature child's preference. No age decides on its own. Our guide to teenagers and parenting plans explains how this works.
- Honesty, they already know more than you think
- Some flexibility in the schedule as they age
- Not to be put in the middle of adult decisions or conflicts
- To remain teens, not co-parents or household managers
- A therapist if the situation is impacting them significantly
- "You're old enough to know some of what happened, and some of it is between your dad and me. I won't lie to you, and I won't ask you to take sides."
- "Your plans matter. Tell us what's coming up with school, work and friends, and we'll build the schedule around it where we can."
Things never to say to your children
Even with the best intentions, stressed parents say things that land badly. These are the most common ones, and why they cause harm.
- "Ask your father/mother." Using children as messengers puts them in the middle and forces them to carry adult communication.
- "Your dad/mum just doesn't want to be a family anymore." Assigns blame and triangulates the child.
- "I'm fine", when you're clearly not. Children are perceptive. Being honest about your feelings in an age-appropriate way ("I've been a bit sad, but I'm taking care of it") is better than false reassurance.
- "When you're older you'll understand." Dismisses real feelings without addressing them.
- "Who do you want to live with?" Asking a child to choose puts a weight on them no child should carry. Listen to their views, but the decision belongs to the adults.
- "Don't tell your dad/mom." Secrets between homes force children to manage adult information and feel disloyal either way.
- Anything about money, lawyers, court, or adult conflict. These are yours to carry, not theirs.
The questions children ask, and honest answers
Children often ask the same questions many times, sometimes weeks apart, sometimes at bedtime or in the car when you least expect it. Repeating the same calm answer is not failure. It is how they check that the answer still holds.
- "Is it my fault?" "No. This is about grown-up problems between Mom and Dad. Nothing you did caused it and nothing you do could fix it."
- "Are you getting back together?" "No, we're not. I know part of you hopes we will. It's okay to wish that."
- "Why?" "We tried for a long time to be happy together and we couldn't. The details are between us, but you can always ask me how you're feeling about it."
- "Where will I live? Where will my stuff go?" Answer with specifics: which nights, which bedroom, what comes with them, and a calendar they can see.
- "Will Dad/Mom be okay?" "Yes. Dad has people helping him, and it's not your job to look after him. You can call him whenever you want to."
What all children need, regardless of age
Strip everything back and it comes down to four things: safety (both homes feel calm and free from conflict), permission (to love both parents and be happy in either home without guilt), consistency (routines and rules reasonably aligned, especially for younger children) and you, present and steady, without leaning on them for your own support.
Research consistently shows that it's not separation itself that most harms children, it's prolonged parental conflict. Children who grow up watching parents fight during and after separation carry that with them for years. Children who see their parents manage a difficult situation with dignity tend to do much better, even if the situation is hard.
What to say to the other parent
Children do best when their parents keep them out of the conflict, and that mostly comes down to the messages you send each other. Short, specific, child-focused messages work. A few you can adapt:
- Sharing what a child said: "Sam asked again tonight whether it was her fault. I told her no, it's a grown-up decision. Letting you know in case she raises it with you."
- Keeping routines consistent: "Bedtime has been 7:30 here and it's helping Leo settle. Would you be willing to try the same at your place for the next few weeks?"
- When a child repeats something hurtful: "Mia came home upset after hearing that I broke up the family. Whatever we each feel, can we both agree not to discuss the reasons with the kids?"
If messages keep turning into arguments, our co-parenting guide covers communication rules that lower the temperature, and parallel parenting for when cooperation isn't possible yet.
What are the warning signs a child needs more support?
Some reaction is normal and expected. But watch for signs that a child needs professional support.
Seek professional support if you notice: prolonged sleep problems; significant and lasting decline in school performance; withdrawal from friends and activities that previously brought them joy; talk of hopelessness or self-harm; persistent physical complaints (stomachaches, headaches) with no medical cause; aggression or conduct problems significantly beyond their baseline; regression that doesn't improve after several weeks.
If your child talks about suicide or self-harm, or you think they are in danger, act today. Call 911 or go to the nearest emergency department. In Canada and the US you can also call or text 988 for suicide crisis support, and in Canada young people can reach Kids Help Phone at 1-800-668-6868 or by texting CONNECT to 686868.
A therapist who works with children and adolescents can make an enormous difference. You don't have to wait for a crisis, reaching out early, when the concern is developing rather than acute, is almost always the right move.
If you're unsure where to start, your child's family doctor is a good first call. FairWell's professional directory includes therapists who specialise in children and family transitions across Canada and the US.
Taking care of yourself so you can take care of them
You cannot regulate your child if you are not regulated yourself. This is not a criticism, it's neuroscience. Children co-regulate through their parents. When you're flooded with anxiety, anger, or grief, your capacity to be steady for your children is genuinely reduced.
Getting support for yourself, from a therapist, a trusted friend, or a support group, isn't a luxury during this period. It's how you stay available for your kids. Our guide to separation and mental health has practical places to start.
And something worth remembering: your children are watching how you handle this. How you manage adversity, show up for them anyway, and rebuild your life is teaching them something about resilience. The story isn't over. What they remember most is how you handled the hard part.
What to do this week
- Agree the words. Settle the one-sentence reason and the first practical changes with your co-parent, ideally in writing.
- Pick the moment. A weekend morning with no plans after it is better than a school night.
- Make it visible. Put a simple calendar on the fridge in each home showing where the children sleep each night.
- Tell the school or daycare. A short note to the teacher helps them notice changes and support your child.
- Protect the routines. Keep meals, bedtime, activities and screen rules as close to normal as you can in both homes.
- Line up your own support. One friend, one professional or one group you can talk to, so your children don't become your support system.
When you are ready to put the schedule on paper, our parenting plan guide walks through every decision.
Common questions
Should we tell the children together?
Yes, if it is safe and you can both stay calm. Hearing the same message from both parents tells children the adults are still working together for them. If that isn't possible, one parent can tell them using the same principles, without blaming the other.
When is the right time to tell them?
Once the decision is final and you know the first practical changes, usually a week or two before anyone moves out. Too early leaves children in limbo; telling them on moving day gives them no time to adjust.
What if my child doesn't react at all?
That is common. Some children need days or weeks to process. Keep the door open by checking in casually, and watch for changes in sleep, eating, school or friendships.
Can my child decide which parent to live with?
No child in Canada or the US gets to decide on their own. Courts consider a child's views and give them more weight as the child gets older and more mature, but parents or a judge make the decision.
This guide is for informational purposes. If you are concerned about your child's mental health, please consult a qualified healthcare professional.
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Start the free assessmentThis guide is legal information, not legal advice, and it is written for a general audience across Canada and the United States. Family law is provincial and state-based and changes over time. Before you rely on anything here for your own situation, confirm it with a qualified family lawyer in your province or state. FairWell can connect you with one through the professional directory.