Friends by Robin Dunbar

It's a great read. Here is the book on Amazon.com

Key Takeaways

This book is packed with interesting ideas, but here are a couple that stand out.

Dunbar's Number and Social Layers

According to Dunbar's number, humans are wired to maintain meaningful relationships with approximately 150 people. This number reflects the cognitive and time limits on our social capacities.

The Circles of Friendship – Peter Saint-Andre, Philosopher-Coach

Dunbar's 7-Pillars of Friendship

Whether consciously or unconsciously, these are the places that we look to find common ground. If you can hit on two of them, you've probably established a lasting friendship.

  • Language/Dialect
  • Place of origin
  • Education
  • Interests
  • Worldview
  • Musical Taste
  • Sense of Humor

The Importance of Emotional Proximity

  • Close friendships require frequent, meaningful interaction to sustain emotional closeness.
  • Technology can help maintain relationships across distances but lacks the richness of face-to-face interaction for building deep bonds.
  • Woman are better at keeping long-distance friendships than men.

Gender Differences in Friendships

  • Women often prioritize emotional sharing and depth in friendships, while men tend to bond over shared activities and interests.
  • Male friendships can be more easily disrupted by life changes, such as relocation or marriage, compared to female friendships.

Friendship Across Life Stages

  • Friendships evolve throughout life, with the most robust networks often seen in youth and middle age.
  • Later in life, people tend to focus on fewer, higher-quality relationships.

By

Jamie Grenney

4X CMO with 25 years of experience scaling SaaS companies.
Co-founded

Who Got Me Here

with Annie Riley.

Jamie was as at Salesforce from 2002 to 2013 during a time when it grew from 120 to +10k employees. He was CMO at PlanGrid which was acquired by AutoDesk for $875M, and OwnBackup who Salesforce purchased for $2B. He has expertise in B2B Go-To-Market strategy, Revenue Architecture, Relationship Intelligence, AI, and Venture Investing.