Human beings are social animals, and the tenor of someone's social life is one of the most important influences on their mental and physical health. Without positive, durable relationships, both minds and bodies can fall apart.
Individuals begin life dependent for survival on the quality of their relationship with their primary caregiver, usually their mother. Humanity's survival as a species similarly hinges on the capacity for social living. Most of human history was spent in small groups in which each individual was dependent on others for survival; evidence suggests this is the condition to which humans are best adapted.
Technology has changed the ways people interact with others in their daily lives, but it hasn’t affected the basic need to form supportive bonds with other people.