What to Say Back to a Hostile Co-Parent

A chat, not a form. Paste the message your ex sent about the kids, say what actually has to be decided, and you get a reply that is short, factual, and hard to use against you. Free, no sign-up.

Paste the message your co-parent sent, exactly as it arrived. Then tell me the one thing that actually has to get settled in it — the pickup time, the doctor, the school form. I will write you back a reply that is short, factual, and gives them nothing to fight with.
Paste the message your co-parent sent, exactly as it arrived. Then tell me the one thing that actually has to get settled in it — the pickup time, the doctor, the school form. I will write you back a reply that is short, factual, and gives them nothing to fight with.

This is not legal advice, and nothing you paste is sent to your co-parent.

This is support, not therapy, and it is not a diagnosis. If you are in immediate danger call 911. If you are having thoughts of harming yourself, call or text 988 in the US for the Suicide and Crisis Lifeline. If you are afraid of a partner, the National Domestic Violence Hotline is 1-800-799-7233, or text START to 88788.

Want to keep going without a session limit? The Lovon app is the same approach, any hour.

Why Choose Lovon?

The message lands at 9:40 at night. Four paragraphs, three of them about what kind of parent you are, and buried in the middle is the only sentence that matters: something about Friday. You write a reply. You delete it. You write a longer one, because six things in there were not true and you can prove four of them.

This page is a chat. Paste their message the way it arrived, say what actually has to get settled, and you get a reply written to end the thread instead of extending it. Then you can push back on it, ask for it shorter, or paste whatever they send next.

1

Answer the logistics. Leave the rest alone.

Almost every hostile co-parenting message is two messages stapled together. One is a scheduling question. The other is an invitation to defend yourself, and it is the part your hands want to answer.

The first thing this does is split them for you, so you can see how little of that message was ever addressed to a decision. You answer the pickup time. You do not answer the paragraph about your new place, your mother, or the thing that happened in 2023. Nothing you write about 2023 has ever ended a conversation about 2023.

That sounds cold on paper. In a thread it reads as ordinary. The other parent gets the information they asked for, and the part that was built to get a reaction gets no reaction, which is the whole point of what people call the gray rock approach.

2

Write it for the third person who might read it

These threads get screenshotted. They end up in front of mediators, attorneys, and sometimes judges, usually months later and always without the context you remember. So the reply here is written for that reader too: brief, factual, civil, and firm about the one thing being decided. That shape has a name people search for, BIFF, and it holds up because it is boring on purpose.

Which means no adjectives about them, no sarcasm, no scorekeeping, no line you would have to explain later. If you have already written something and you only want a second read on it before you hit send, the unsent message tool is built for that instead.

3

What this will not do

It is not legal advice, and it will not tell you what a court would decide. If custody, support, or a violation of your order is the real question, that is a conversation for a family law attorney, and a calmer message history helps you there rather than replacing it.

It also will not change the other parent. It only changes what you hand them. And it only ever sees your side of the thread, so it does not get to say what kind of person they are, and neither does anything it writes for you.

If you are afraid of your co-parent, that is a different problem than wording and it is not one to work through alone. The National Domestic Violence Hotline is 1-800-799-7233, you can text START to 88788, or use the chat at thehotline.org. If you are having thoughts of harming yourself, call or text 988 in the US.

Lovon is a voice AI companion you can talk to at 9:40 at night, before you answer anything, built with PhD psychologists and drawing on CBT and EFT. It is support around the hard weeks, not a licensed therapist or an attorney.

Ready for More Personalized Support?

Get access to our full AI therapy platform with personalized conversations, progress tracking, and comprehensive mental health support.

Download Lovon App

Frequently Asked Questions

What is a BIFF response in co-parenting?

BIFF stands for brief, informative, friendly, and firm. It is a way of writing replies that answers the practical question, stays polite, and closes the subject instead of opening three more. Family law professionals recommend it because it gives the other person nothing to quote and nothing to escalate. That is roughly the shape of the reply this chat writes for you.

Should I answer everything they said?

Usually not. Most hostile messages contain one thing that needs a decision and several things designed to get a reaction from you. Answering the second group is what turns two messages into forty. The chat separates the two for you and tells you which is which, so you can reply to the pickup time and leave the rest sitting there unanswered.

What if my message ends up in a custody file?

Assume it might. These threads get screenshotted and handed to mediators and attorneys months later, without the context you remember. That is why the reply here avoids adjectives about the other parent, sarcasm, and old history. This is not legal advice and it cannot tell you what a court would decide. For that, talk to a family law attorney in your state.

Do I need an account, and is my message stored?

No account, no email, no sign-up. What you paste goes to the coach so it can write the reply, and it is not saved to a profile or shown to anyone. Nothing on this page is sent to your co-parent. Close the tab and the conversation is gone from your screen. Leave out full names, addresses, and your kids' school if you would rather not type them; the reply still works without them.

Does staying calm actually work if they never stop?

It does not fix them, and nobody should promise it will. What it changes is the size of the thread and how you look in it. Short factual replies tend to get fewer follow-ups over time, because there is less to grab onto. If the messages are threatening rather than just hostile, that is a safety issue, not a wording issue.