How to Communicate With Your Ex: 3 Steps That Reduce Conflict

Key Points:

How you open a conversation nearly decides how it ends. The Gottman Institute's research found that the first three minutes of a difficult discussion predict its outcome, and that harsh openings almost always lead to bad endings.

Vague requests create conflict. Clear, specific asks with deadlines remove the ambiguity that high-emotion conversations cannot survive.

When your ex sends a hostile message, the research-backed answer is a BIFF response: Brief, Informative, Friendly, and Firm, a method developed by lawyer and therapist Bill Eddy for exactly this situation.

The stakes are bigger than your own stress. A meta-analysis in Clinical Psychology Review confirms that ongoing conflict between divorced parents is directly linked to worse adjustment in children, while low-conflict co-parenting protects kids.

Written communication is the safest place to practice. Email and co-parenting apps give you time to draft, edit, and cool down before you hit send. A divorce coach can help you script the hardest conversations before you have them.

When a marriage ends, communicating productively with your soon-to-be-ex can feel close to impossible. There are years of leftover emotions in every exchange, and both of you know exactly which buttons to push. Your ex likely has a pattern of responding to you that is not healthy, you get triggered, you react, and before you know it you are right back in the same fight you have had a hundred times.

Here is the part most people miss: this is not just a personality problem. It is a skills problem, and skills can be learned. Relationship researchers have spent decades studying why some difficult conversations stay productive while others explode, and the findings map almost perfectly onto three simple steps. Master them and you will communicate differently with your ex than you ever did in your marriage. Your stress level, your legal bills, and most importantly your children will all benefit.

Why the First Few Sentences Matter So Much

Before we get to the steps, you need to understand one research finding, because it explains why this method works.

Psychologist John Gottman spent decades observing couples in conflict, and one result stands out: conversations almost always end the way they begin. In his research, the first three minutes of a difficult discussion predicted its outcome with striking accuracy. Openings loaded with criticism, blame, or contempt triggered defensiveness, and from there the conversation followed a predictable downhill cascade. Gentle openings did the opposite.

That finding was based on married couples, but the mechanism, a nervous system bracing for attack, applies even more strongly to divorcing ones. Your ex is primed to hear criticism from you. The three steps below are designed to keep their defenses down long enough for actual communication to happen.

Step 1: Open With Something Positive, Specific, and True

Start the exchange with a genuine, specific observation that signals respect rather than attack. For example:

"I can imagine you're working really hard these days with your new schedule."
"The kids loved the cookies and cream ice cream you bought them yesterday."
"You picked the perfect book for Sally."
"The kids really enjoyed the trip to the park with you this weekend."

Notice what these have in common. They are specific rather than generic, they cost you nothing to say, and they are about the present rather than the past. You are sending a clear message: this is not an ambush. In Gottman's terms, you are using a soft startup instead of a harsh one, which keeps the conversation off the escalation track before it starts.

Two cautions. First, it has to be true. A compliment your ex knows is manufactured reads as manipulation and makes things worse. Second, this will feel awkward at first, especially if warmth is the last thing you feel. That is normal. It gets easier with practice, and you are doing it for the outcome, not for your ex.

Step 2: Make Your Request Clear, Specific, and Complete

Qualifiers like "I was wondering," "I'm just checking," or "I think" create confusion. They make the subject sound open for debate when it is not, and ambiguity is fuel for conflict between two people who no longer trust each other's intentions. Cut the superfluous words and use clear statements:

"Are you available to watch the kids this Friday?"
"Please have your lawyer respond to my lawyer by Friday at 5 pm."
"Which items will you be picking up on Saturday?"
"I would like to meet your girlfriend before she meets the kids. When can we set that up?"
"If I don't hear from you by Thursday at 5 pm, I'll assume the current schedule stands."

Each of these states exactly what is being asked, by when, and what happens if there is no answer. That last element, a default outcome, is especially valuable with an ex who avoids responding, because silence stops working as a strategy.

One request per message works best. Stacking five issues into one email practically guarantees that the easy ones get answered and the hard ones get ignored.

Step 3: Close on a Brief Positive Note

End the exchange with one short, positive sentence:

"I'm grateful we can keep this line of communication open for the kids and for us."
"I know how much you care about the kids, and I appreciate that this is hard."
"I'm glad we can work together on solutions for our children."

Then finish with something simple like "Enjoy your day." The close matters for the same reason the opening does: it is the last thing your ex reads, and it sets the emotional starting point for the next exchange. You are building a track record, message by message, that says conflict is not the only way you two know how to interact.

Start in Writing, Not in Person

These three steps work in person, on the phone, and in writing. But if communication with your ex has been rocky, start in writing. Email gives you something a live conversation never can: a pause button. You can draft the message angry, delete it, and rewrite it calm. Nothing gets said that cannot be unsaid.

Written communication also creates a record, which matters if your divorce involves lawyers or custody questions. Many co-parents use dedicated communication apps, and family courts across the country increasingly order or recommend them in contested cases precisely because everything is documented and time-stamped. Whatever channel you use, write every message as if a judge might read it one day, because in some divorces one will.

Once the three steps become habit in writing, they transfer naturally to phone calls and in-person exchanges.

What If Your Ex Doesn't Play Nice?

This is the question everyone asks, and it is a fair one. You can follow every step perfectly and still receive a message back that is hostile, accusatory, or designed to provoke you.

For those messages, use the BIFF method developed by Bill Eddy, a lawyer, therapist, and mediator who co-founded the High Conflict Institute. BIFF stands for Brief, Informative, Friendly, and Firm:

Brief. Keep it to a few sentences. Long replies hand your ex more material to argue with and signal that the provocation worked.

Informative. Stick to facts and necessary information only. No opinions, no defenses, no rehashing history.

Friendly. A neutral, polite tone, even when the message you received was anything but. This is where Step 1 and Step 3 of the method above do double duty.

Firm. End the exchange rather than inviting another round. A yes-or-no question or a clear default ("If I don't hear back by Thursday, I'll drop them off at 6") closes the loop.

Eddy also advises leaving out what he calls the three A's: admonishments, advice, and apologies. All three are hooks that restart the fight. And remember that not every hostile message needs a reply at all. Insults with no logistical content can simply go unanswered.

If your ex consistently escalates no matter what you do, that is not a sign the method failed. It is a sign you may need more structure: a detailed parenting plan, a communication app, parallel parenting instead of co-parenting, or professional support. Our guide to co-parenting with a narcissist covers that situation in depth.

Why This Work Is Worth It

If you need motivation to keep practicing when it feels unnatural, here it is. Decades of research converge on one conclusion: it is not divorce itself that harms children most, it is ongoing conflict between their parents. A meta-analysis published in Clinical Psychology Review found that interparental conflict after divorce is directly associated with children's adjustment problems, both directly and through its effect on parenting. Conversely, research on post-divorce families consistently identifies low-conflict, cooperative co-parenting as one of the strongest protective factors helping kids cope with their parents' split.

Every calm email you send is not just avoiding a fight. It is actively protecting your children.

And if you do not have children, the payoff is still real: lower stress, smaller legal bills, and a faster path to the day when your ex is simply a person you used to know.

The Bottom Line

Open with something genuinely positive, make your request clear and specific, and close on a brief positive note. Start in writing, respond to hostility with BIFF, and keep your eyes on the goal: not winning the exchange, but ending it well. These steps feel awkward at first and become second nature with repetition. Within a few months, you may find that you and your soon-to-be-ex are interacting in a completely different way than you ever did in your marriage, and everyone in your family will be better off for it.

If you want help scripting a specific difficult conversation, that is exactly the kind of thing a divorce coach does every day.

Frequently Asked Questions

How do I communicate with my ex without fighting? Control the two moments research says matter most: the opening and the closing. Start with something genuinely positive and specific, make one clear request with a deadline, and end on a brief positive note. Keep exchanges in writing while you build the habit, and give yourself a cooling-off period before responding to anything that makes your blood pressure rise.

What is the BIFF method for divorce communication? BIFF stands for Brief, Informative, Friendly, and Firm. Developed by lawyer and therapist Bill Eddy of the High Conflict Institute, it is a formula for responding to hostile messages: keep the reply short, stick to facts, use a neutral friendly tone, and end the exchange rather than extending it. It works because it removes the emotional hooks a high-conflict person is fishing for.

Should I communicate with my ex by text, email, or in person? Start with email or a co-parenting app if communication has been difficult. Writing gives you time to draft and edit, creates a record, and prevents in-the-moment escalation. Texting invites rapid-fire emotional exchanges, so reserve it for simple logistics. Move to phone or in-person conversations once written communication is consistently civil.

Do co-parenting communication apps really help? For many families, yes. Apps designed for co-parents keep all communication, schedules, and expenses in one documented place, and the knowledge that messages are time-stamped and unalterable tends to keep both parties on better behavior. Courts in contested custody cases frequently recommend or order their use for exactly that reason.

What if my ex ignores my messages completely? Build a default into every request: "If I don't hear from you by Thursday at 5 pm, I'll assume the current schedule stands." This removes silence as a power move, because not responding now produces a defined outcome instead of a stalemate. Document the pattern, and if non-response is affecting custody exchanges or legal deadlines, raise it with your attorney or mediator.