Couples who argue openly and then make up afterwards may actually build stronger relationships over time, according to new research by scientists.
The study found that partners who express disagreements but later resolve them tend to grow closer, especially when conflicts are handled calmly and constructively. Researchers observed brain activity during disagreements and noted how emotional responses shifted between partners.
When one partner remained calm while the other expressed frustration, the study found that anxiety levels in the upset partner dropped almost immediately. This suggests that emotional control from one individual can directly help regulate the other’s stress during conflict.
Researchers explained that “synchronised partners better understand each other’s emotional states and respond appropriately, enhancing connection while reducing misunderstandings and conflict.” The findings were published in the journal Acta Psychologica.
The study also highlighted that avoiding arguments altogether may not always be beneficial. Researchers suggested that couples who never address disagreements could miss out on the emotional closeness that comes from resolving conflict.
Instead, healthy disagreement—followed by resolution—may help couples reach solutions faster and improve long-term relationship satisfaction. Over time, this process can support greater harmony and stability, rather than allowing resentment to build.
The research team from Anhui University in China monitored couples during structured conversations designed to trigger disagreements, measuring how closely their brain activity aligned in real time.
They concluded that relationships function less like perfectly matched minds and more like dynamic systems where partners continuously influence each other’s emotions. This ongoing interaction, they said, can improve adaptability and strengthen long-term relationship satisfaction.

