Glossary
What Is the BIFF Method?
BIFF — Brief, Informative, Friendly, Firm — is a communication framework for responding to hostile or high-conflict messages without escalating the situation.
The Definition
The BIFF Method was developed by Bill Eddy — attorney, therapist, and mediator — who spent decades working with high-conflict personalities in legal and family court settings. He noticed that most people, when they receive a hostile or accusatory message, respond in ways that make things worse: they defend themselves, argue back, or match the other person's emotional intensity. BIFF is the antidote.
A BIFF response is Brief (short, no more than a few sentences), Informative (factual, addresses only what needs to be addressed), Friendly (neutral to warm in tone, never cold or sarcastic), and Firm (closes the loop, does not invite further argument).
The goal is not to win the argument or make the other person understand you. The goal is to respond in a way that is impossible to escalate from — and that protects you legally, emotionally, and practically.
The core insight
High-conflict people are looking for a reaction. A BIFF response gives them nothing to escalate from. It is not passive — it is strategic. You are choosing not to hand over the emotional fuel that keeps the conflict alive.
Breaking Down BIFF
Each letter in BIFF does specific work. Understanding what each one means — and why — makes the framework much easier to apply.
Brief
Keep it short. A BIFF response is typically one to five sentences. The longer your reply, the more material you give the other person to argue with, misquote, or use against you. Brevity is a feature, not a limitation.
Informative
Stick to facts and logistics. Answer only what needs to be answered. Do not defend yourself, explain your reasoning at length, or address accusations. Just provide the relevant information and nothing more.
Friendly
Keep the tone neutral to warm — not cold, not sarcastic, not passive-aggressive. A friendly tone does not mean you agree with them or are letting things slide. It simply removes the emotional charge that invites escalation.
Firm
End the response in a way that closes the loop. Do not leave openings for continued argument. A firm response signals that the matter is settled from your end — you have said what needed to be said and you are done.
When to Use a BIFF Response
BIFF is not for every conversation — it is a tool for specific situations where standard communication is not working.
You received a hostile message
The other person sent something accusatory, inflammatory, or emotionally charged and you need to respond without matching their energy or escalating.
There is a legal or custody dimension
Your communication may be read by a judge, mediator, or attorney. BIFF keeps your responses professional, factual, and impossible to use against you.
The conversation keeps going in circles
Every reply you send generates three more messages. BIFF is designed to end cycles — not feed them.
You are emotionally activated
When you are angry, hurt, or defensive, BIFF gives you a framework to follow so you do not send something you will regret.
You need a paper trail
BIFF responses are clear, factual, and dated. Over time they create a record of reasonable, good-faith communication — which matters in legal and co-parenting contexts.
You are dealing with a high-conflict person
High-conflict people thrive on emotional reactions. BIFF removes the fuel by giving them nothing to escalate from.
BIFF in Practice
Here is what a BIFF response looks like compared to the message it is responding to — and why it works.
Co-parenting — hostile accusation
Incoming message
“"You are always late. You clearly don't care about the kids and I'm going to document every single time you pull this."”
BIFF response
“"Pickup is confirmed for Saturday at 3pm. I'll be there."”
Does not defend, does not argue, does not address the accusation — just confirms the logistics.
Co-parenting — schedule dispute
Incoming message
“"You changed the schedule without asking me. You never follow the agreement. This is exactly why we're in court."”
BIFF response
“"The schedule I have shows the kids with me this weekend per our agreement. I'm happy to compare documents if there's a discrepancy."”
Informative and firm — offers a factual path forward without engaging the emotional charge.
Workplace — unfair criticism
Incoming message
“"Your work on this project was completely inadequate. I don't know why we even have you on this team."”
BIFF response
“"Thank you for the feedback. I'd welcome a meeting to go over specific areas you'd like me to improve."”
Friendly and firm — acknowledges without agreeing, and closes with a concrete next step.
Family — guilt-tripping message
Incoming message
“"You never call. You don't care about this family at all. I don't know what I did to deserve this."”
BIFF response
“"I'm doing well, thanks. I'll be in touch about the holidays next week."”
Brief and friendly — does not engage the guilt trip, redirects to a concrete future point.
Common Mistakes to Avoid
Most people instinctively do the opposite of BIFF when they feel attacked. These are the patterns that undermine an otherwise good response.
Defending yourself
Explaining why you are not at fault, listing your reasons, or justifying your actions gives the other person more to argue with. BIFF does not defend — it simply states.
Asking questions
Questions invite responses. Unless you genuinely need information to move forward, avoid them. Every question is an opening for another round.
Matching their tone
If they are sarcastic, angry, or accusatory and you respond in kind, you have handed them exactly what they wanted. Friendly does not mean warm — it means neutral.
Over-explaining
The urge to make sure they understand your perspective is natural — but in high-conflict communication, more words rarely lead to more understanding. They lead to more conflict.
Frequently Asked Questions
Does a BIFF response mean I'm letting them get away with it?
No. A BIFF response is not about letting bad behavior slide — it is about choosing not to engage in a way that makes things worse. You can still set boundaries, document incidents, and take action through appropriate channels. BIFF just keeps your communication clean while you do.
What if they keep sending hostile messages even after a BIFF response?
You do not have to respond to every message. If you have already addressed the relevant information, it is completely appropriate to not reply to follow-up messages that are purely hostile or designed to provoke. Silence is also a valid BIFF-aligned choice.
Is BIFF the same as Grey Rock?
They are related but different. Grey Rock is about making yourself as uninteresting as possible to reduce a manipulative person's interest in you. BIFF is a specific framework for crafting written responses. You can use both together — a BIFF response is often a Grey Rock response in practice.
How can Composed help with BIFF responses?
Composed helps you draft responses that follow the BIFF framework — brief, informative, friendly, and firm — by analyzing the incoming message and helping you craft a reply that addresses only what needs to be addressed, without emotional escalation.
Composed
Recognize the pattern. Respond with clarity.
Composed helps you write BIFF responses — brief, informative, friendly, and firm — so you can reply to difficult messages without escalating, defending, or handing over the reaction they're looking for.
Try Composed FreeNot therapy. Not legal advice. A communication tool built for hard conversations.