Couple Dynamics: Exploring How Roles Shift Over Time
One of the more interesting tensions I see in couples work is that the very quality that initially draws partners together can slowly become the source of frustration in the relationship.
From a psychological perspective, this is what is referred to as an intrapsychic fit, and is likely not accidental. We are often attracted to qualities in others that feel different from us—qualities that complement, soften, or balance aspects of ourselves. Relationships, however, are not fixed in time and our relational dynamics cannot be expected to function exclusively according to the initial “formula” or fit. Over time, those same differences can show up in a more polarizing way depending on shifting contexts, environments, and major life transitions. Here, a couple may find itself stuck in a repetitive dynamic which begins to impact the health of the relationship at large.
A common example of this shows up in conversations about “mental load.” Recently, this term has become more widely used to describe the difference between simply completing tasks and fully owning a domain of responsibility. One person may feel they need to carry the burden of anticipating needs, planning ahead, remembering details, and making sure things happen. The other partner may genuinely want to help, but approaches support more reactively. In other words, they may wait for guidance on what to do rather than independently taking ownership.
In some cases, the partner carrying the mental load may be described as responsible, organized, or proactive. On the other hand, their counterpart may be seen as more easygoing, flexible, or calm. Early in the relationship, this dynamic may feel deeply complementary. For example, the more responsible partner may feel relieved by someone who introduces spontaneity or softness into their life, while the easygoing partner may admire the other’s competence and ability to create structure. In many ways, each partner can offer something that the other finds valuable or may struggle to access themselves.
Over time, however, these same qualities can transition from complementary to conflicting. The responsible partner begins to feel alone in carrying the weight, while finding it increasingly difficult to tolerate uncertainty, delegate, or allow for things to be done differently. Meanwhile, the more easygoing partner may feel criticized, micromanaged, or perpetually unable to “get it right”. Both partners become increasingly entrenched in their positions. As this occurs, a form of stubbornness often emerges where each partner becomes attached to their role and the logic that supports them remaining in that position. Perhaps the partner carrying more responsibility feels that beginning to let go would mean risking disappointment, chaos, or unmet needs. At the same time, their counterpart may dig further into passivity or defensiveness as a result of feeling controlled or a fear that they will not be able to satisfy expectations. Beneath the surface, both partners can be seen as protecting themselves from vulnerability, finding it safer to cling to the roles they’ve each been cast in rather than taking the risk of moving away from their familiar positions to acknowledge fears and needs.
So how can this be addressed? What is often missed in these conversations is the way the dynamic gets co-created over time, requiring each partner to become curious about the ways that they actively contribute to the pattern. One person may step in quickly because they fear things will fall apart otherwise. The other may step back further because there seems to be little room to do things imperfectly or differently. Eventually, both partners may feel stuck in roles they did not consciously choose but now struggle to amend. The goal is not to determine who is objectively right or wrong, or who needs to change to meet the other. Instead, the work becomes about helping couples shift from blaming each other to examining the pattern itself. In that process, partners can begin to see the dynamic as something they have created together, rather than evidence that one person is inherently deficient. With this shift in perspective, they are often able to approach the problem with more curiosity, flexibility, and compassion.
In many ways, this is the heart of couples work: learning how to step away from blaming each other long enough to find a joint interpretation of their dynamic, and accepting the task to tolerate a certain level of discomfort in the process of giving up their familiar roles.
By Carina Deandreis Arvidsson, Psychotherapist
