Final answer:
The dimension of wellness that involves maintaining positive relationships with friends and family is social wellness, which contributes to a person's overall health and wellbeing.
Step-by-step explanation:
The dimension of wellness that involves maintaining positive relationships with friends and family is social wellness. This aspect of wellness emphasizes the importance of supportive and positive interactions with others to a person's overall health. Social interactions foster good health by providing emotional support, reducing stress, and encouraging healthy behaviors, which can positively impact both mental and physical health. In fact, social support and close relationships are known to contribute significantly to one's longevity and wellbeing.