Co-parenting with a difficult ex

Co-parenting advice usually assumes two reasonable adults. If the other parent is not currently one of those, most of it is useless and some of it is insulting.

This page is about the harder version: what you can control when the other person will not cooperate, and how to stop the conflict from becoming the weather your children live in.

AFTER offers emotional understanding, not medical, legal or financial advice.

Stop aiming for a good relationship

The single biggest shift people describe is giving up on the idea of a friendly co-parenting partnership and aiming instead for something much smaller: a working logistical arrangement with as little contact as possible.

That sounds like defeat. In practice it lowers the conflict immediately, because most flashpoints come from expecting fairness, acknowledgement or good faith and then reacting when they do not arrive.

The measure is no longer do we get on. It is: do the children get where they need to be, without a scene.

Communication that cannot be twisted

Written, not verbal

Message or email rather than doorstep conversations. It removes tone, creates a record, and gives you time before you answer.

One subject per message

Long messages covering several grievances invite long replies covering several grievances. Keep it to the arrangement in question.

Facts, dates, questions

No feelings, no history, no explaining yourself. Anything not strictly necessary becomes material for the next argument.

Delay before replying

A few hours, unless a child is unwell. Almost nothing needs an immediate response, and immediate responses are the ones people regret.

Do not answer the bait

Reply only to the practical part of a message. Ignoring the provocation is not weakness; it is what starves it.

Assume it will be read out

Write everything as though a third party may one day read it. It is a useful filter, whether or not that ever happens.

What to let go of

Different rules in the other house. Bedtimes, screens, food, tidiness. Unless a child is at risk, this is almost always a fight you cannot win and children adapt to two sets of rules more easily than they adapt to two parents at war.

Being understood. A great deal of energy goes into trying to make an unreasonable person see your side. It rarely arrives and every attempt reopens the conflict.

Correcting the record with other people. Family, mutual friends, the school gate. It is maddening to be misrepresented, and responding to it usually spreads the story further than leaving it does.

Handovers

Choose a neutral place if home handovers keep going wrong
Keep them short, polite and scripted
Do not raise any issue at handover, ever
Have the bag packed and the child ready before they arrive
Plan the first twenty minutes after, for you
Let children arrive quietly rather than being interrogated

Handovers are the highest-risk moment in the week because both parents and the child are in the same place at the same time. Treating them as a two-minute logistical event, with everything else discussed in writing, prevents most incidents.

Protecting the children from the middle

The consistent theme in what helps children is not the schedule; it is how much conflict they are exposed to and how often they are asked to carry something between the adults.

That means no messages passed through them, no questions about the other house, no commentary on the other parent, and no asking them to choose. This holds even when the other parent is doing all of it.

It can feel deeply unfair to keep those standards alone. Most parents who do it say the same thing later: the children knew who kept them out of it, without ever being told.

When it is more than difficult

There is a line between a difficult ex and a situation that needs outside help — persistent refusal to follow arrangements, threats, or anything that puts a child at risk.

That territory is for family law professionals, mediators and, where safety is involved, the relevant services in your country. AFTER cannot advise on it, and no article should try.

Common questions

How do you co-parent with someone who will not cooperate?

Most people describe narrowing the relationship to logistics only: written communication, one subject per message, facts rather than feelings, no reaction to provocation, and short scripted handovers. The aim stops being a good relationship and becomes a workable arrangement.

What is parallel parenting?

It is a low-contact arrangement where each parent runs their own household independently, with minimal communication and no expectation of joint decisions beyond the essentials. Families often move to it when standard co-parenting keeps producing conflict.

Should I respond to hostile messages?

Usually only to the practical part, and after a delay. Responding to the hostility tends to extend the exchange, while answering just the question about Thursday ends it.

What if my ex says bad things about me to the children?

Most people find that defending yourself to the children puts them further in the middle. What tends to work better is being consistently the parent who does not do it, and answering direct questions calmly and briefly.

When should we use a mediator?

When the same disputes keep repeating, or when direct communication reliably escalates. Mediation and legal questions are for qualified professionals in your country.

When to get more support

If you or your children feel unsafe, or if there is intimidation, threats or controlling behaviour, contact a domestic abuse service or the relevant authorities in your country. That is a different situation from a difficult co-parent and needs specialist support.

Somewhere to put the reply you should not send

AFTER's journal is a good place for the message you want to write, and the coach is there when the anger from a handover has nowhere to go.

Start healing

Questions people ask about this

Will my children be okay after divorce?