The Number One Reason Couples Come To Couples Therapy—and How To Fix It

Sex. Money. Parenting.

Which of these do you think is the number one issue facing couples? It's hard to tell. In some ways, all of these categories — sex, money, parenting— and more besides are some of the most common topics couples argue about. But each of these topics really just represents the tip of an iceberg.

For plenty of couples, maybe it's only one or two of these categories. For others, it's all of them and more besides. The really interesting question is: what is it about these topics that make for so much relational strife amongst couples? Why can't couples simply find agreement or middle ground wherever there's conflict on one or more of these topics?

The answer requires a deeper look at what all of these categories of conflict have in common. What's the thread moving between all of them?

My suggestion: fear. But fear of what? Fear of vulnerability.

What "Vulnerability" Actually Means

Vulnerability is often thought of in terms of specific affects: tearfulness, sadness, emotional openness. And while that can be a form of vulnerability, it doesn't quite get to the core of the experience. Instead, think of vulnerability as what we feel when we become aware of our own dependency. Not dependency in the full-blown sense — like an infant who is totally reliant on a caregiver. More in a relative sense.

We experience a kind of dependency when we put ourselves out there in a specific way. When we entrust something within us — something that rarely sees the light of day — to another person. When we share something that, were it to be mishandled, would leave us feeling genuinely hurt or pained. Dependency, then, is what we experience when we extend ourselves in a way that leaves us open to hurt in a way we can't immediately control.

That exposure — that inability to guarantee the outcome — is vulnerability. And for most people, that feeling is one of the most uncomfortable experiences there is.

Tying Vulnerability to Sex, Money, Parenting, and the Like

Once you understand vulnerability this way, the iceberg starts to make more sense. Take money.

On the surface, the argument is about spending, or saving, or who controls what. But look underneath it and you'll usually find something far more exposed. One partner who grew up in scarcity and carries a terror of financial instability that their partner doesn't fully understand. Or someone who uses spending as a way to feel some sense of agency in a life where they often feel they have none. Or a person who earns more and quietly wonders whether they'd be valued without it. These aren't budget disagreements.

They're moments of dependency — places where something private and unprotected has become entangled in a shared decision. That exposure is what makes the argument so charged, and so hard to resolve with logic alone. Sex is perhaps the most obvious arena for vulnerability, and yet it's the one couples talk around most carefully. What often looks like a mismatch in desire or frequency is, underneath, usually a story about reaching and not being met — or about not reaching at all because the risk of rejection has become too great.

Sex requires a quality of presence and exposure that becomes genuinely threatening when the emotional safety between two people has eroded. The body knows this before the mind does. And when one partner stops initiating, or the other starts going through the motions, neither of them is typically talking about what's actually happening — which is that somewhere along the way, the vulnerability required felt like too much to risk.

Parenting disagreements are often, at their root, two people drawing on entirely different emotional blueprints — shaped by the families they came from, the childhoods they had, the things that were done well and the things that weren't. When couples argue about discipline, or boundaries, or how much freedom to give a teenager, they're often really negotiating whose interior model of family gets to shape the one they're building together. That's not a parenting problem. That's a deeply personal one. And it requires each person to expose something about where they came from in a way that can feel unexpectedly vulnerable.

Underneath the conflict is something fragile. Something that, if handled carelessly, can cause real harm.

Why Couples Struggle to Get There

If vulnerability is really what's at stake in all of these conversations, the natural question is: why don't couples just say so? Why do the arguments stay at the surface level — the money, the sex, the kids — rather than moving down to what's actually going on? The answer is that vulnerability, by definition, requires trust. And trust, for most couples in conflict, is precisely what has been eroding.

The more a couple fights about money without resolution, the less safe it feels to expose what the money actually means. The more the sexual disconnect goes unaddressed, the harder it becomes to be the one who says what's really happening. Each unresolved argument adds another thin layer of protection — another reason to stay at the tip of the iceberg, where it's safer, rather than dive toward what's underneath.

There's also the matter of self-awareness. Most people are not consciously in touch with their own vulnerability in the middle of a conflict. What they're aware of is the argument — the position they're defending, the point they're trying to make, the frustration that the other person just doesn't seem to get it. The vulnerability is operating several layers below that. And accessing it in real time, in the middle of a charged conversation, is genuinely difficult without some scaffolding. This is a significant part of what couples therapy is actually for.

What Changes When Vulnerability Is Named

In my couples therapy practice in Newport Beach, the moments that tend to shift things most reliably are not the ones where both people finally agree on a budget, or a parenting approach, or a sexual frequency. They're the moments where one person drops below the argument and says something true — something that exposes the dependency underneath. I don't feel valued here. I'm scared you'll leave if I'm not managing everything perfectly. I need to know I matter to you even when I'm not performing.

These moments are small and enormous at the same time. They tend to change the temperature of a conversation in a way that no amount of negotiating the surface issue can. And they tend to invite reciprocity — when one person gets vulnerable, the other often finds it easier to follow. This is not a technique. It's not something you can script or execute on demand. But it is something that can be practiced, and something that becomes more available the more a couple builds genuine safety with each other over time.

Part of what good couples therapy does is create the conditions for those moments to happen — and help both people understand why they've been so hard to access on their own.

If This Is the Argument You Keep Having

If you and your partner keep circling the same topics — money, sex, the kids — and something about the conflict always feels unresolved no matter how many times you work through it, it's worth considering that the topic may not be the problem. The question underneath the question is usually something like: Do I matter to you? Am I safe with you? Will you handle what I give you with care?

Those questions deserve real answers. And most couples can't get there without some help navigating the distance between the argument and what it's actually about. We offer a free 15-minute consultation — no pressure, no commitment. If any of this sounds familiar, I'd love to talk. Book a free consultation →

Bryan Forbes is a Licensed Marriage & Family Therapist (LMFT #150052) and Co-Founder of Forbes Individual & Family Therapy in Newport Beach, CA. He specializes in couples therapy, anxiety, OCD, and self-expression using a psychodynamic, depth-oriented approach. Forbes IFT serves individuals and couples throughout Orange County, including Newport Beach, Irvine, and Costa Mesa, with online therapy available throughout California.

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