Which of the following is very important to overall happiness?

A) Socioeconomic status.
B) Relationship satisfaction.
C) Prestige
D) Physical attractiveness.

Relationship satisfaction is a crucial component of overall happiness for many individuals. Studies have shown that people who are in positive and fulfilling relationships tend to have higher levels of well-being and life satisfaction. While socioeconomic status, prestige, and physical attractiveness can all impact one's life, they are not necessarily as crucial to overall happiness as relationship satisfaction.