How to Make Friends as an Adult, Solved

Friendship is the most important thing nobody talks about. From ancient philosophy to game theory, we break down why friendship isn’t just some social nicety—it’s a biological survival strategy. Plus: the modern forces slowly strangling our ability to connect, and exactly what to do about it. You’ll walk away with a clearer sense of what real friendship looks like, how to build it, and how to stop shooting yourself in the foot every time you try.
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CHAPTERS
Chapters
• 00:00:00 Introduction
• 00:07:52 Friendship: an Evolutionary Puzzle
• 00:25:45 What Is Friendship?
• 00:27:11 Friendship in the Great Religious Traditions
• 00:37:21 Modern Psychology's Definition of Friendship
• 00:49:02 Your Brain On Friendship
• 01:03:34 The Neurobiology of Connection
• 01:22:48 Health Benefits of Friendship
• 01:33:11 How to Make and Maintain Friendships
• 01:35:19 Proximity and Repeated Contact and Reciprocal Disclosure
• 01:53:51 Time investment (quantity and cadence)
• 01:58:15 Evidence-Based Strategies for Making Friends
• 02:07:46 Examples Of Making Friends
• 02:26:50 How Friendship Changes Across the Lifespan
• 02:54:18 Gender Dynamics in Friendships
• 03:09:39 Can Men And Women Be Friends?
• 03:16:39 Toxic Friendships
• 03:17:41 Competitive Friendship
• 03:21:18 Codependency
• 03:34:45 Why It's So Hard to Make Friends These Days
• 03:35:48 External Headwinds: Why Getting Together Is Hard
• 03:53:18 Internal Frictions: Why Staying Equal Feels Impossible
• 04:02:45 Technology's Double-Edged Impact on Human Connection
• 04:11:19 Mark's LA Story
• 04:20:21 The 80/20 of Friendship
• 04:30:33 The Trade-Offs of Friendship

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