"The average human can name about 1,500 people, and we personally know about 500.¹
But most of those people won't help us in times of need.
The people who will help are our friends – and psychologist Robin Dunbar argues that we have an average of 150 people who we try to stay in touch with.² Within that group, we have about 15 friends and family we contact each month and one to two people with whom we share an intimate relationship – often a partner, and sometimes a "best friend forever.""