DATE: October 9, 2026 at 10:00AM
SOURCE: PSYPOST.ORG
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TITLE: The invisible chore that may matter more for women’s relationship happiness than housework
A new two-part study suggests that women in heterosexual relationships tend to report greater relationship and sexual satisfaction when their male partners share more of the mental and emotional effort required to run a household and relationship. The research, published in Personality and Social Psychology Bulletin, also indicates that this behind-the-scenes burden predicts women’s contentment more strongly than the division of physical chores like cleaning or cooking. Men, however, tended to report greater relationship satisfaction when their female partners carried more of this unseen labor.
Research on the division of domestic labor often focuses on routine physical tasks like washing dishes and taking out the trash. Running a home, however, also involves what researchers call the mental load. This concept refers to the nonphysical management of family life, combining cognitive labor, such as anticipating household needs, scheduling appointments, and organizing routines, with emotional labor, such as offering reassurance, calming family tensions, and monitoring a partner’s feelings.
As a 2021 theoretical paper argued, the mental load is often invisible, has no clear boundaries, and is never truly finished. Physical chores have an obvious end point, but remembering to restock groceries, managing a child’s school calendar, or sensing that a partner is distressed can happen at any hour of the day or night.
In a 2019 qualitative study, researchers observed that women disproportionately handle the planning and monitoring tasks in family life, which frequently creates unacknowledged relationship tension. This dynamic fits into broader patterns of relationship balance, such as a study of young adults covered by PsyPost in 2017, which showed that having less power in a romantic partnership tends to harm women far more than men.
The research team, led by Verena Klein of the University of Southampton, wanted to test whether the mental load predicts romantic and sexual satisfaction separately from physical housework. The authors noted that prior work often treated domestic work only as physical actions, leaving out the constant mental organizing that many women carry. They designed two studies to explore how this cognitive and emotional division relates to both partners’ everyday well-being, preregistering the first study’s design and planned analyses.
In the first study, the researchers recruited 452 heterosexual women from the United Kingdom who lived with a male partner. The participants had an average age of about 42 years, their relationship durations ranged from 1 to 44 years, and roughly 55% had at least one child. The participants completed questionnaires assessing how they and their partners divided mental load, who completed routine physical chores, and how strongly they endorsed traditional gender roles. Relationship and sexual satisfaction were each measured using single questions rated on numerical scales.
To capture the mental load, the researchers created a 17-item scale covering five distinct areas: family management, household management, emotional labor related to children, emotional labor focused on the partner, and relationship nurturing. Because no validated measure of mental load existed when the data were collected, the scale was developed for this study. These areas were grouped into two broad measures: relationship mental load, which covers household organization and couple-focused emotional care, and parental mental load, which covers child-focused organizing and reassurance. Participants rated who completed each task on a 5-point scale ranging from “more me” to “more my partner.”
The results of Study 1 indicated that women reported greater relationship and sexual satisfaction when their male partners were more involved in the mental load of the relationship. These associations were modest in size: correlations of 0.24 for relationship satisfaction and 0.15 for sexual satisfaction, on a scale where 0 means no association and 1 means a perfect one.
When looking at specific facets, emotional labor, such as sensing when a partner is upset and planning romantic events, was linked to higher sexual satisfaction, whereas purely administrative cognitive tasks were not. Parental mental load was tied to higher relationship satisfaction for mothers, but its direct association with sexual satisfaction was not statistically significant.
In regression analyses that included physical housework, gender ideology, and relationship mental load at the same time, mental load was the only factor that predicted women’s relationship and sexual satisfaction. However, its link with sexual satisfaction disappeared once the researchers accounted for women’s overall relationship satisfaction, and parental mental load did not predict sexual satisfaction. Physical housework distribution and traditional gender attitudes did not predict satisfaction once mental load was considered.
Women’s mental load was also largely independent of whether they held traditional or egalitarian views on gender roles. This suggested that even women who actively reject conventional domestic roles can still end up carrying this invisible management burden.
“What surprised me most was the role, or rather, the lack of a role, of women’s gender-role attitudes,” Klein told PsyPost. “We expected traditional attitudes to be associated with a more unequal division of housework, and they were. But mental load was different: gender ideology basically didn’t explain who carried it. Even women who explicitly held egalitarian views could still be carrying a disproportionate share.”
“That’s what made this result stick with me: this isn’t simply a belief problem,” she added. “You don’t have to believe that you should be responsible for these things to end up being responsible for them. That doesn’t mean egalitarian attitudes don’t matter. But our findings suggest that they don’t automatically translate into equality in everyday practice.”
While the first study provided important insights from women, it could not capture how both partners within the same couple perceive their division of labor. To address this, the researchers conducted a second study, which was not preregistered, using a dyadic design that surveys both partners together so scientists can examine how each person’s experiences relate to the other. They recruited 156 heterosexual, cohabiting couples from the United Kingdom and the United States through an online platform, with an average age of about 38 years and an average relationship duration of 13 years.
Both partners completed the same questionnaires used in the first study, evaluating their own division of labor alongside single-item satisfaction measures. The researchers used the Actor-Partner Interdependence Model, a statistical technique designed for couples that tests how a person’s own reports and their partner’s reports predict satisfaction outcomes at the same time.
Both men and women agreed that women performed a greater share of household chores and handled substantially more of the mental load. On the scale, a score of 3 meant an equal split, lower scores meant the respondent did more, and higher scores meant their partner did more. Women’s average relationship mental load score was 2.31, indicating that they saw themselves doing more, while men’s was 3.36, indicating that they saw their partners doing more. The gap was even wider for parental mental load (1.71 for women versus 3.53 for men) and smaller for physical chores (2.57 versus 3.18).
“What’s striking is how clear this inequality was,” Klein noted. “In our couples data, both women and men reported that women were carrying more of it, this wasn’t just women perceiving an inequality that men didn’t see. Both partners’ reports pointed the same direction.”
When examining how this division related to satisfaction, the authors discovered a gender difference. For women, relationship and sexual satisfaction were highest when relationship mental load was shared equally between partners. In contrast, men reported greater relationship satisfaction when their female partners handled a larger share of the mental load. For sexual satisfaction, men were also most content when their female partners reported that the mental load was divided equally.
“I don’t think that means men are consciously thinking ‘I want my partner to do everything,'” Klein said regarding the differing relationship satisfaction patterns. “I’d be careful about reading it as a conscious preference. But it does show that the same unequal arrangement can have very different consequences for each partner, and it raises the question of whether some traditional arrangements remain comfortable for men even as social norms around equality are shifting.”
For parental mental load, the patterns looked different. Both mothers and fathers reported higher relationship satisfaction when they felt their partner took on more of the child-related mental load, and when their partner perceived them as doing more. However, parental mental load did not show a link to sexual satisfaction for either men or women, echoing the findings from Study 1.
Geoff MacDonald, a professor of psychology at the University of Toronto who was not involved in the study, told PsyPost that the most central takeaway is how both partners recognized the domestic gap.
“For me, it’s that both men and women agree that women take on more of the mental load around household tasks, and this can have consequences for women’s well-being in a relationship,” he said. “Our lab thinks a lot about why women are happier being single than men, and why men desire partnership more than women, and we often discuss this division of household labor. These results are very consistent with the idea that women are right to be concerned about what they’re signing up for.”
MacDonald added that while the finding aligns with general expectations in the field, it expands the empirical picture. “It is consistent with thinking in this area, but provides new data on the mental load part that I haven’t seen before,” he noted.
To help partners address these imbalances in daily life, Klein emphasized translating abstract ideas of fairness into practical habits. She pointed out that real progress requires moving beyond simple chore distribution to recognize the ongoing mental effort behind running a home.
“The first step is simply making mental load visible,” Klein said. “It happens in someone’s head, has no clear starting or finishing point, and partners often genuinely don’t realize how much of it one person is carrying.”
“So couples shouldn’t only ask, ‘Who does the laundry?’ but also, ‘Who notices that the laundry needs doing, remembers it, knows which clothes need washing and how they should be washed (which clothes can go together, what temperature to use etc.), and makes sure it happens?'” she suggested. “Asking ‘Who noticed the immunization appointment was due?’ or ‘Who remembered what groceries we needed?’ is much more useful than simply saying, ‘We should share things more equally.’ And I think there’s an important difference between dividing tasks and dividing responsibility. If one partner has to remind the other what needs to be done, they’re still carrying part of the mental load.”
There are a few things to keep in mind when interpreting these results. Because both studies relied on cross-sectional surveys, the data show associations between labor divisions and relationship happiness rather than proving that one directly causes the other. It remains possible that couples who are already happier and feel more connected communicate better, which might naturally lead to a fairer division of daily responsibilities.
The study also had limited variation at the extremes: no woman reported that her partner handled all of the mental load, and no man in the couples study reported handling all of it himself. That restricted range may have made some patterns harder to detect. In addition, the participants were drawn entirely from the United States and the United Kingdom, and the authors did not track weekly hours spent at paid jobs, which could influence how much free time each partner has to manage home affairs.
MacDonald raised additional questions regarding what the mental load measure actually captures. “I think the main concern is the validity of the mental load scale, which the authors flag themselves,” he told PsyPost. “There’s a potential argument, for example, that perceptions of a partner’s household contributions are reflecting a broader variable like perceived partner responsiveness, such that this may be reflecting a larger issue than just household contributions. That is, maybe household mental load is just one of many domains in which it is a problem to have a thoughtless partner.”
“I’d also say that a partner’s contribution to mental load may be a reflection of personality traits like conscientiousness, which also has effects across multiple domains,” MacDonald added. “For example, men’s conscientiousness has been previously shown to contribute to women’s sexual function in heterosexual relationships. So it would be helpful if there was more data on the validity of the measure, particularly discriminant validity that accounts for cross-domain effects.”
Perceived partner responsiveness refers to how much people feel their partner understands and cares for them, while conscientiousness is a personality trait marked by being organized and dependable. Discriminant validity refers to evidence that a scale measures something distinct from closely related qualities.
“The authors make the valid point that the kinds of relationship and family contributions that are more typically ascribed to men, like managing finances or doing household repairs, are things that can typically be put off if need be (e.g., the grass can be cut any time but the diapers need to be changed right away),” MacDonald observed. “But, since this is about mental load, in theory worrying about the financial situation or planning out renovations can also create a constant mental load. So, it would be interesting to factor in other domains outside of household labor to get a fuller picture of mental load and its effects on relationship well-being.”
He also suggested examining how these imbalances influence individuals before they enter relationships. “It would be very interesting to see single people’s assessments of these mental load dynamics, and investigate directly if they relate to people’s desire to be in a partnership,” MacDonald said. “Maybe these dynamics are having effects long before people partner, even leading partnership not happening at all.”
Klein noted that much remains to be understood about how mental load operates across different populations and evolving cultural standards. She added that while public conversations around domestic labor are changing, long-term empirical evidence on cognitive burdens remains scarce.
“What we know robustly, across other studies too, is that women carry the larger share of mental load, especially around childcare and parenting decisions, and that this comes with costs: higher stress, lower life and relationship satisfaction, and potentially negative effects on their careers,” Klein explained.
“I think there are reasons to believe that gender norms are changing, but our study cannot tell us whether mental-load inequality itself is changing over time,” she continued. “We have decades of research, including cohort studies, tracking how heterosexual couples divide physical housework and how that division has shifted across generations. We simply don’t yet have enough longitudinal evidence on mental load to say, ‘This generation is different from the previous generation.’ That evidence is still missing.”
Future studies could track couples over longer periods to see whether changes in how couples divide this work are followed by changes in satisfaction. Exploring how mental load relates to specific sexual experiences, such as personal desire or intimacy, could also help clarify how daily domestic teamwork shapes life behind closed doors.
“We have become much better at asking who cooks, who cleans and who does the childcare. But we also need to ask who remembers, anticipates, plans, organizes and worries about all of those things,” Klein concluded. “That work is much less visible, but our findings suggest that it matters for women’s relationship satisfaction. And the fact that women can carry a disproportionate share of this work even when they hold egalitarian gender-role beliefs speaks to how deeply internalized these gendered expectations can be.”
The study, “Unequal Burdens, Unequal Benefits: Housework, Mental Load, and Gendered Satisfaction in Heterosexual Relationships,” was authored by Verena Klein, Esra Ascigil, Tanja Oschatz, and Rotem Kahalon.
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