Final answer:
Emotional support during tough times is a critical social or emotional need fulfilled by healthy friendships or relationships, providing comfort, advice, and encouragement that benefits both psychological and physical health.
Step-by-step explanation:
One social or emotional need that can be fulfilled in a healthy friendship or relationship is emotional support during tough times. This type of social support contributes to the soothing impact of friends, family, and acquaintances, providing advice, guidance, encouragement, acceptance, and emotional comfort. It is well-documented that having strong interpersonal relationships with close and caring individuals can greatly assist in managing life's challenges and stressors. This emotional support network is essential not only for psychological health but also has a noticeable impact on physical health outcomes, increasing survival rates and contributing to overall well-being.