Final answer:
Communication is a key factor influencing the success of a marriage, while financial status is closely related to marital stability and age differences may impact relationship dynamics depending on life stages.
Step-by-step explanation:
In regard to the interactions that affect the success of a marriage, communication is one of the most crucial issues. This is because effective communication is foundational for understanding, resolving conflicts, and expressing needs and expectations within a relationship. Factors like financial status and age difference are also associated with marital stability. Financial stress, for example, can be a significant contributor to marital problems and potential divorce, particularly when couples lack a strong asset base such as savings or a home.
Moreover, research on age-gap relationships reveals that different life stages and social pressures can impact relationship dynamics and commitment levels. Although age difference is a factor, the life circumstances surrounding the individuals involved are what weigh more heavily on the relationship outcome, rather than the age gap itself.