The end of a romantic relationship rarely happens suddenly. A psychological study suggests that relationship breakdown is often signaled one to two years in advance, when couples reach a specific “transition point” after which satisfaction drops rapidly.
According to Professor Janina Bühler of the Institute of Psychology at Johannes Gutenberg University Mainz, relationships in their final stages tend to follow a two-phase pattern. First comes a slow, gradual decline in relationship satisfaction. Then, at the transition point—typically one to two years before the relationship ends—satisfaction begins to deteriorate much faster, with couples moving toward a breakup. Bühler conducted the research with Professor Ulrich Orth of the University of Bern, and the findings were published in the Journal of Personality and Social Psychology.
Partners Experience the Decline Differently
It is widely known that relationship satisfaction often decreases over time, especially in the first years, with many couples reaching a notable low point around the ten-year mark. Instead of looking only at how long couples had been together, the researchers focused on something different: how satisfaction changes as partners approach a breakup.
To do this, they analyzed data from four large, representative studies in Germany, Australia, the United Kingdom, and the Netherlands. Across all datasets, the researchers examined 11,295 individuals and compared them with similarly sized control groups made up of couples who did not separate. The surveys tracked participants over long periods—between 12 and 21 years—asking them at different points how satisfied they felt with their current romantic relationship.
When the researchers examined satisfaction in relation to the time remaining before separation, they found evidence for what psychologists call “terminal decline.” In relationships, this decline appears to happen in two stages. The first, or preterminal phase, can last several years and involves only a modest drop in satisfaction. After that comes the tipping point, when the decline accelerates sharply.
The final, terminal phase after this transition point typically lasts between 7 and 28 months, averaging about one to two years. Bühler noted that this terminal pattern appeared only in relationships that later ended, not in the control group—suggesting that once couples enter this phase, the relationship is very likely headed toward dissolution.
Partners Experience the Decline Differently
The study also found that the two partners often do not experience the transition point in the same way. The person who ultimately initiates the breakup tends to become dissatisfied earlier. By contrast, the partner who is left often reaches the transition point much closer to the actual separation and may experience a particularly steep and sudden drop in satisfaction.
Bühler emphasized that couples usually do not separate overnight, and that the stages leading up to a breakup can affect each partner differently. In many cases, she added, couples seek professional help too late—after the transition point has already been reached. Recognizing these patterns earlier and taking action during the preterminal phase, before satisfaction begins to collapse, may improve the chances of stabilizing—and potentially saving—the relationship.
