A divorce lawyer and therapist says most money fights are really about what partners believe money means—safety, control, freedom, and respect—plus old “money scripts” and the damage that secrecy can do to trust.
When a couple argues over a credit card statement or the cost of a weekend trip. it can feel immediate and obvious: someone spent too much. someone saved too little. But a Minneapolis attorney who is also a licensed marriage and family therapist says the argument usually detonates somewhere else—underneath the numbers.
Kimberly Miller has spent more than two decades moving between the legal, emotional, and financial sides of relationships. She works as an attorney, a marriage and family therapist, a certified financial planner, and a certified divorce financial analyst. In her view. money disputes often start as a disagreement about a hobby. a credit card purchase. or a vacation one partner didn’t agree to—then. within minutes. the fight turns into something deeper neither person has actually named.
Money remains one of the most common conflict points in American homes. Researchers at Cornell University have found that financial worry reaches roughly 70 percent of Americans, and Miller says that pressure follows people into every conversation, shaping how they hear and how they respond.
Most of the time, she argues, the dollar amount isn’t the real problem. The issue is what money represents—security, control, freedom, and respect. “Money scripts” formed in childhood can harden into adult instincts long before a first paycheck. And when one partner feels shut out or kept in the dark. the relationship can pay a price that has little to do with the original purchase.
A fight over spending can be a fight over meaning
Miller said in her experience a clash over spending is often a stand-in for two competing definitions of what money is for. One spouse may treat saving as protection. Another may treat spending as the reward for hard work. The same purchase then lands as either responsibility or irresponsibility. depending on what each partner learned money was supposed to do.
She recalled a couple who argued constantly over the husband’s spending on hobbies. The wife framed it as irresponsibility. The husband, she said, felt judged every time he opened his wallet. But when Miller looked past the day-to-day argument. the history told a different story: she had grown up amid financial instability. while he had grown up treating money as a way to enjoy life.
“What looked like a disagreement about spending was actually a conflict between fear and freedom,” Miller said. “Once they understood each other’s underlying concerns, the conversation shifted from blaming each other to creating a financial plan that addressed both needs.”
Where those instincts come from
Miller argues the charge people feel in money fights often isn’t new at all—it’s learned. “Many ‘money scripts’ are formed long before a person earns their first paycheck,” she observed. They can form while a child watches parents argue over bills. or while a child absorbs how a household handles scarcity and abundance.
That early programming. she said. can make it feel like you’re arguing with your partner when you’re really arguing with beliefs and behaviors you absorbed years earlier. A partner who panics over debt may be reacting to old instability. Someone who bristles at a budget may associate limits with a controlling parent.
Not every disagreement is corrosive
Miller also draws a line between friction that leads toward solutions and conflict that drains a relationship. Healthy conflict, she said, stays focused on solving the problem, with both partners safe to voice concerns and curious about the other person’s view.
The destructive version is different. “The disagreement stops being about the issue and starts becoming about the person,” Miller pointed out. In that version, partners assign motives, question character, keep score, and repeat the same fight without reaching resolution.
She described another pattern she sees often: recurring conflict about who gets to define what is “reasonable.” Once couples adopt an adversarial mindset, Miller said, they stop looking for solutions and start looking for validation.
Secrecy can corrode trust long before the secret grows
The damage doesn’t always begin with a large deception. Miller said financial secrecy often starts small—downplaying a purchase or not mentioning an account balance. The danger, she said, is that doubt arrives well before the hidden dollar figure does. “One discovered secret leaves a partner wondering what else they haven’t been told.”.
She said she understands why people keep secrets. “Most people don’t hide financial information because they’re malicious. They do it because they’re afraid, ashamed, or trying to avoid discomfort.”
That instinct is widespread, Miller said, pointing to a January 2026 survey from Bankrate. About 2 in 5 adults in committed relationships acknowledged committing financial infidelity against their current partner. Nearly half considered keeping financial secrets at least as serious as physical infidelity. while close to 1 in 10 admitted to hiding major sources of debt. expenses. or income.
Miller said she holds herself to the same standard she recommends. “Early in our marriage, my husband and I agreed that neither of us should ever feel ‘in the dark’ about money,” she shared. “My husband and I both know where our accounts are, what we owe, and what we’re saving toward.”
She also flags avoidance as a kind of quiet warning. “The absence of conflict isn’t always a sign of financial health,” she emphasized. Even when couples don’t argue, repeated reliance on “that’s just how I am” to avoid financial conversations can masquerade as peace.
Income gaps raise stakes—even in loving relationships
Money fights also flare when partners earn different amounts. Miller said a wide income gap can reshape confidence and decision-making even in a loving relationship. The higher earner may feel pressure to provide. The lower earner may worry about losing independence or a voice in big choices.
Miller encourages couples to talk about expectations early and challenges the idea that splitting everything down the middle is the only fair arrangement. “Fairness does not always mean equality,” she said. What matters, she added, is that both partners feel respected and involved.
It’s one reason she raises prenuptial agreements without apology. “A prenup can create clarity around expectations and reduce uncertainty, particularly when there are substantial differences in income, assets, or future inheritance prospects,” she said.
The question many couples never ask
Miller’s advice doesn’t start with spreadsheets. It starts with a missing conversation.
For all the budgeting apps and shared spreadsheets. she said one question often goes unasked: “What does financial security mean to you?” People may assume they share a definition of stability. she said. but one partner may feel safe with six months of savings while the other needs enough in the bank to last them for years. “The number matters less than the assumption behind it.”.
And there’s a pattern that concerns her most: persistent financial avoidance. “Postponed conversations about debt, savings or goals tend to grow more tangled over time.”
A different way to start the conversation
For couples who fear money talk will automatically turn into a fight, Miller recommends beginning with curiosity instead of criticism. “I would encourage them to start with curiosity rather than criticism,” she said.
She suggested swapping “why do you spend so much?” for “what experiences shaped the way you think about money?” That question tends to surface childhood memories and values that have never been spoken aloud, shifting the task from settling scores to building a shared vision.
“Most lasting financial solutions begin with understanding, not budgeting,” Miller said.
Part of her point is that money conversations aren’t just about managing cash. They’re about negotiating safety, control, freedom, and respect—sometimes for the first time, even after years together.
Miller’s answers also frame how to recognize specific breakdowns. She defined a “money script” as a belief about money formed early in life. usually by absorbing how a family handled finances. carried into adulthood without noticing. She defined financial infidelity as deliberately hiding money behavior from a partner. such as a secret account. an undisclosed debt. or spending money on something a couple has agreed to avoid.
And for couples with different spending styles. she said saver-and-spender pairs can thrive when they aim for mutual understanding rather than matching habits. Miller suggested each person name the experiences that shaped their money beliefs and agree on shared long-term goals. then set a flexible framework such as weekly check-ins or personal spending allowances that gives both structure and freedom.
Miller’s broader message—especially in a country where the Cornell research shows financial worry is so widespread—is blunt in its simplicity: couples rarely argue because of the amount. They argue because of what the amount is carrying.
About the expert: Kimberly Miller (JD. LMFT. CFP. CDFA) is the founder and chief divorce educator at PartWise. an online education platform built to help people move through divorce with clarity and confidence. As an attorney. a licensed marriage and family therapist. a certified financial planner. and a certified divorce financial analyst practicing in Minneapolis. Minnesota. she brings a holistic perspective to separation. drawing together legal. emotional. and financial threads rather than treating them in isolation. Miller graduated with honors from Brown University and earned her law degree from Cornell Law School. She began her career in intellectual property litigation before moving into family law. She was named a Super Lawyer every year from 2014 through 2026. Through PartWise. she focuses on reducing confusion and minimizing conflict so that people feel informed and empowered at every stage of the process. She can be found through her family law practice.
Please note: This article is for general educational purposes and reflects the experience and opinions shared by Kimberly Miller. It is not legal. financial. or therapeutic advice. and it is not a substitute for guidance tailored to a person’s own situation. For decisions about divorce, finances, or wellbeing, consult a qualified attorney, financial professional, or licensed therapist.
money fights couples divorce financial infidelity financial secrecy money scripts financial security prenuptial agreement