How do I communicate with a difficult co-parent?

Narrow the channel on purpose. One topic per message, a specific request with a deadline, no history, no characterisation, and a delay between writing and sending. You are not trying to be understood — you are trying to run a logistics relationship with somebody you are no longer close to, which is a different and much more achievable goal.

Should I keep a record of our messages?

Keeping the arrangements in one place is sensible for ordinary reasons: people remember conversations differently and children’s schedules are complicated. It is worth being honest with yourself about which you are doing, though, because writing messages in order to build a file changes how you write them, and the other person can usually tell.

What do I do when they will not reply?

Send one short message with the question and a date by which you need an answer, and say what you will do if there is no reply — not as a threat, as a plan. Then do that. Repeated chasing messages tend to become the subject in place of the thing you were asking about.

How much should the children know?

About the arrangements that affect them, as much as their age makes useful. About the disagreements between you, nothing. Children who are told the adult version are being asked to hold something they cannot do anything about, and they usually resolve it by deciding it is their fault.

Is this a substitute for a solicitor or a mediator?

No. Arrangements for children are legal matters, and nothing here is legal advice. Preparing properly for a conversation or a mediation session tends to make it go better and cost less, but it does not replace it.

Guide

How to communicate with a co-parent

The relationship is over and the logistics are not, for years. That makes this the one situation where the usual advice is often wrong: you are not trying to be understood. You are trying to run a working arrangement with somebody you are no longer close to, and the way to do that is to make the channel narrow on purpose.

Six rules that do most of the work

One topic per message. Handover time, or the school form, or the holiday — not all three. A message with three subjects gets a reply about the easiest one, and then a fortnight later nobody can tell what was agreed about the other two.
Say what you need and by when. Most co-parent messages fail by being about feelings and leaving the actual request implicit. “Can you confirm by Thursday whether you can do the Friday pickup?” is a message that can be answered. “It would be nice if I knew what was happening” is not.
Keep it short, factual and dull. Dullness is a feature. Nothing about the past, no characterisation of the other person, no sarcasm — sarcasm in writing is the single most reliable way to turn a scheduling message into a three-day exchange.
Write it now, send it later. Write the angry version if you need to, then do not send it. Almost nothing in co-parenting is genuinely urgent within the hour, and the version you send the next morning is nearly always shorter, clearer and less expensive.
Answer what was asked, and ignore the rest. A message that contains a practical question and a paragraph of provocation can be answered on the practical question alone. Not replying to the provocation is not conceding it. It is the only move available that does not continue it.
Keep one channel and use it. One place for all the arrangements, agreed by both of you. Decisions made in a phone call at a doorstep are decisions that will be remembered differently. If something is agreed by phone, follow it with one line confirming what was agreed.

The harder cases

The message intended to get a reaction: Some of them are. The reply it is fishing for is the one you write in the first ten minutes. Give it a day, reply to the logistics only, and keep your own version of the record for yourself rather than in the message.
The child as messenger: Never — not for scheduling, not for money, not for “ask your father why”. A child carrying messages between two adults is being put in a position where every answer costs them one of their parents. This is the thing on this page most worth being absolute about.
Disagreeing about something that matters: Screen time, a new partner meeting the children, a change of school. These need an actual conversation rather than a message thread, ideally scheduled, ideally not at a handover, and with the specific decision named in advance so neither of you arrives expecting a different meeting.
The arrangement that keeps slipping: Raise the pattern rather than the last instance, and propose a change to the arrangement rather than an improvement in behaviour. If Fridays fail every other week, the useful question is whether Fridays are the wrong day, not whether somebody is trying hard enough.

What this will not fix

Message discipline does not make an unreasonable person reasonable. What it does is stop you supplying the material for the next escalation, keep the arrangements legible, and reduce the number of exchanges that end somewhere neither of you meant to go. If the other person is determined to have a fight, they can have one without your participation — it will simply be shorter.

How this can help

OnBetterTerms is a private workspace for the part before you send anything. Say something difficult takes the version you wrote at eleven at night and helps you find the version that gets the Friday pickup confirmed. Help me respond is for the message designed to provoke, including when the right answer is to reply to one line of it and nothing else.

For a conversation that has to happen rather than a message — the school, the holidays, a change to the week — prepare for a conversation first, and practise it if you already know how the last one went. Where you and your co-parent both take part, a shared space keeps the arrangements you agreed with a name and a date on each, and anything you have not chosen to share stays yours — how that works.

More about co-parenting with this, or the demo, which needs no account.

Questions people ask

How do I communicate with a difficult co-parent?: Narrow the channel on purpose. One topic per message, a specific request with a deadline, no history, no characterisation, and a delay between writing and sending. You are not trying to be understood — you are trying to run a logistics relationship with somebody you are no longer close to, which is a different and much more achievable goal.
Should I keep a record of our messages?: Keeping the arrangements in one place is sensible for ordinary reasons: people remember conversations differently and children’s schedules are complicated. It is worth being honest with yourself about which you are doing, though, because writing messages in order to build a file changes how you write them, and the other person can usually tell.
What do I do when they will not reply?: Send one short message with the question and a date by which you need an answer, and say what you will do if there is no reply — not as a threat, as a plan. Then do that. Repeated chasing messages tend to become the subject in place of the thing you were asking about.
How much should the children know?: About the arrangements that affect them, as much as their age makes useful. About the disagreements between you, nothing. Children who are told the adult version are being asked to hold something they cannot do anything about, and they usually resolve it by deciding it is their fault.
Is this a substitute for a solicitor or a mediator?: No. Arrangements for children are legal matters, and nothing here is legal advice. Preparing properly for a conversation or a mediation session tends to make it go better and cost less, but it does not replace it.

When this is the wrong page

This assumes two parents who are difficult with each other and safe around the children. If you are afraid of the other parent, or you are worried about a child’s safety, the advice here does not apply and following it could delay something more important. What to do, and where to go.

OnBetterTerms is not therapy, legal advice, or a crisis service, and it does not replace professional care or a solicitor.

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