Robin Dunbar, the British anthropologist, proposed that humans can maintain stable social relationships with roughly 150 people. But within that number, there are layers: an innermost circle of about 5, a close circle of about 15, and a wider circle of about 50. Each layer requires a different level of investment.
The question is not how many friends you have. It is whether you are investing in the right layer.
The Innermost Circle
Dunbar's research suggests that most people have between 3 and 5 people in their closest circle — the ones they would call in a crisis, whose wellbeing they actively track, who they see or speak to most regularly. These relationships require the most maintenance but provide the most benefit.
The problem most people face is not that their inner circle is too small. It is that they are spreading maintenance energy too thinly across a much larger group, doing justice to none of them.
Why More Friends Does Not Mean Better
There is a cognitive and emotional cost to maintaining relationships. Each relationship you actively tend requires attention, memory, and emotional bandwidth. Beyond a certain number, adding relationships does not add wellbeing — it dilutes it.
The goal is not to maximize the number of people in your life. It is to maximize the depth of the relationships that genuinely matter.
The social media distortion
Social media creates the illusion that broad networks are equivalent to close friendships. Following 800 people and having 800 followers is a very different thing from having 5 people who know your life deeply. Confusing the two leads to the specific loneliness of being "connected" but not known.
What This Means Practically
Start by identifying your actual inner circle — the 5 to 10 people whose presence in your life genuinely matters to you. Not who you see most often, or who you have known longest, but who you would miss most if they were gone.
Then ask honestly: am I investing in these relationships at the level they deserve?
For most people, the answer reveals a gap between intention and action. Good Friend is designed to close that gap — helping you prioritize the people who matter most and maintain consistent contact with them, without needing more time or willpower than you already have.