In Lonely at the Top, the author identities the key variables to adult friendship as i) proximity ii) frequency of spontaneous encounters iii) things in common.

In Lonely at the Top, the author identities the key variables to adult friendship as i) proximity ii) frequency of spontaneous encounters iii) things in common. As a child, authentic friendship often occurs with relative ease as kids go to school they are i) within close proximity ii) seen regularly and iii) can play games on the playground/share low-barrier activities together.