Big Study Shreds Relationship Myths

Couple holding a house-shaped frame indoors — Photo: Kitreel / Shutterstock

A nationwide body of research confirms that couples therapy delivers real, measurable improvement for distressed relationships, even though no checklist of warning signs can tell a couple exactly when to make the call.

Quick Take

A major 2020 analysis of 58 studies found couples therapy produced large gains in relationship satisfaction compared with couples who got no treatment.
Research shows 60 to 80 percent of distressed couples benefit from behavioral or emotion-focused therapy, with about half keeping those gains two years later.
Couples therapy also eases couple distress when depression is part of the problem, not just communication breakdowns.
Experts warn couples therapy is not safe when one partner uses violence or control to dominate the other.

The Research Behind The Popular Nine-Sign Checklists

Lists claiming to spot nine signs a couple needs therapy show up constantly online, pointing to recurring fights, resentment, emotional distance, and trust problems. The underlying science backs the value of therapy itself. A review of 58 studies covering more than 2,000 couples found treatment produced a large improvement in relationship satisfaction, while couples left on a waitlist barely improved at all.

That same research tracked the specific areas these popular lists mention most often. Couples in therapy showed real gains in communication, emotional closeness, and how partners treated each other day to day. That matters because it means the “signs” people worry about, like feeling unheard or distant, line up with the exact problems therapy is built to fix.

How Many Couples Actually See Results

Numbers help cut through the noise. A 2025 review of prior research found that 60 to 80 percent of distressed couples benefit from behavioral or emotion-focused therapy, two of the most common approaches used by licensed counselors today. Roughly half of those couples held onto their improvements two years after treatment ended, a solid track record for any form of mental health care.

Couples therapy also helps in situations that go beyond simple communication trouble. A Cochrane review of 14 studies involving 651 people found that when depression strains a relationship, couples therapy eased both the depressive symptoms and the tension between partners, sometimes outperforming individual therapy on the relationship side of the problem. That is a meaningful finding for couples who assume their fighting is purely about them, when a mood disorder may be fueling it.

Why A Warning-Sign List Cannot Replace Screening

Here is where the popular checklists fall short. None of the available research treats things like resentment or emotional distance as proven predictors that therapy will work. The studies measure average results across large groups already enrolled in treatment. They do not tell any single couple whether their specific situation will improve, or whether both partners even need to show up to every session.

Timing matters too. Couples typically wait more than two and a half years after problems start before ever booking an appointment, often trying friends, family, or self-help books first. By the time many couples reach a therapist’s office, patterns are deeply set, which may explain why results, while strong, are not universal or guaranteed for every relationship walking through the door.

Safety deserves its own paragraph, not a footnote. The American Psychological Association states plainly that couples therapy is not recommended when one partner uses violence to intimidate or control the other. A guide for behavioral health providers echoes that same caution. Any list encouraging couples to “just talk it out” in joint sessions needs to account for that line, because sitting an abuser and a victim in the same room can make danger worse, not better.

None of this undercuts the core finding. Couples therapy, done with the right provider and under the right conditions, produces results that hold up under serious scientific review. The nine-sign lists circulating on social media are not wrong to flag resentment, distance, or trust problems as reasons to seek help. They are simply incomplete without the fuller picture: real results, real limits, and a real need to screen for safety before signing up for a single session.