It is structural commitment.
Since their lives have become entangled, spouses are committed to each other at this point in Structural Commitment. Married couples pool their finances and other materialistic things, have children, and build a social life together. As a result, their lives may become so intertwined that it may be easier to remain in a relationship than to leave it. This kind of commitment doesn't really imply that partners know each other personally.
While structural commitment can help keep a marriage together, it has no effect on how spouses feel about each other. As a result, we may not put forth as much as we might to make our spouses happy and the marriage happy.
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