Final answer:
A good marriage can lead to increased longevity, provide financial security, and foster improved social relations.
Step-by-step explanation:
One of the benefits of a good marriage is increased longevity. Marrying creates a stable, long-term socioeconomic household that contributes to well-being and can provide more financial security. Good marriages also foster improved social relations by integrating individuals into a larger supportive network. These social and financial advantages are recognized in societal structures and policy, with benefits such as Social Security and medical insurance often associated with marriage.