Co-parenting with a difficult ex — without becoming difficult yourself

Move everything to writing — and make your writing boring

Spoken exchanges with a difficult ex are where the damage happens: tone wars, moved goalposts, no record. Written ones give you time to think, kill the tone games, and quietly build a file. So the channel is messages or email, and the style is deliberately dull: brief, informative, neutral and firm.

• Answer only the question actually asked. The paragraph about your failings does not require a response; the question about Thursday pick-up does.
• Facts, dates and logistics only. No adjectives, no history, no “as usual”.
• Write every message as if a judge, a mediator and your child at eighteen will read it — because any of them might.

So “You ALWAYS do this — I bend over backwards and you change plans whenever it suits you” gets back: “I can do the swap on the 14th. Drop-off at school as normal. Confirm by Friday and I’ll update the calendar.” Nothing to grab. Rebuild Mode’s Say it calmly does this rewrite for you when your own draft has smoke coming off it, and Reply triage asks the prior question — whether this one needs answering at all.

Not every message deserves a reply

A difficult ex’s messages come in types, and the types want different handling. Triage before you type.

• Pure logistics: reply promptly and plainly. Being reliable on the boring stuff is your armour everywhere else.
• Logistics wrapped in a barb: answer the logistics, ignore the barb completely. Unfed barbs are unsustainable; most people stop planting them within months.
• Pure provocation: no reply. Screenshot, file, move on. Silence is not weakness here — it is the only response that ends the game.
• A genuinely new issue: reply slowly. Twenty-four hours where possible; nothing important is drafted at the temperature it arrived at.
• Anything touching safety: different track entirely — solicitor, school safeguarding lead, or police. Not the message thread.

Parallel parenting, when co-parenting isn’t available

Co-parenting — joint decisions, friendly flexibility, shared birthday parties — requires two people playing. When one of you will not, the fallback has a name: parallel parenting. Contact reduced to written essentials, handovers via school where possible so you rarely meet, each household run independently within whatever is agreed or ordered, no joint attendance obligations.

It sounds bleak and it is quietly liberating. You stop negotiating the un-negotiable, the children stop watching contests, and the conflict — starved of contact — usually cools over the years, sometimes enough to loosen the arrangement later. Parallel parenting is not failing at co-parenting; it is the version of success available in high conflict.

Keep a quiet record

Not for revenge — for accuracy. Patterns look like one-offs until they are listed: the third missed handover reads very differently in a dated log than in your tired memory of “they keep doing this”.

• A dated line per incident: missed or moved contact, unilateral changes, significant messages. Facts only — a log written angry reads angry when it matters.
• Screenshots filed somewhere organised, off your phone’s camera roll.
• Never mention the log to your ex, and never wave it in an argument. It exists for the mediator or solicitor conversation, if that day comes — and mostly so you stop having to relitigate your own memory.

What the children see

This is the part that outlasts everything else. The children should never see the messages, hear the commentary, or carry information between houses. Keep the other parent spoken of neutrally in your home no matter what is said about you in theirs — and when it is said, resist the rebuttal. The counter to a campaign is not a better campaign; it is being the calm house, for years. Children grow up and re-read their childhood with adult eyes. Long after the conflict, what will matter is which parent kept them out of it.

Escalate when the system stops being enough: mediation for repeated breaches, a solicitor when agreements need teeth, and safeguarding channels immediately for anything beyond conflict. Getting help with a genuinely unmanageable situation is not dramatising it — it is the boring, correct next step.