How to Be an Adult

In a forgotten corner of a city maintenance yard sit two identical street sweepers. On paper, they are the same: same model, same engine hours, same maintenance schedule. But one, 'Old Reliable,' hums to life each morning with a predictable groan and gets the job done. The other, 'The Beast,' is a lottery. Some days it starts, some days it sputters and dies, requiring a dozen workarounds just to leave the garage. The mechanics are baffled. The parts are identical. The fuel is the same. Yet one functions and the other is a constant source of frustration and failure.

The difference lies in the unseen history of how each was handled. 'Old Reliable' was driven by a veteran operator who knew its quirks—how to ease it into gear on a cold morning, when to let the engine rest, how to clean the brushes to prevent strain. 'The Beast' was passed between new hires who pushed it too hard, ignored the rattling sounds, and treated it like an invincible piece of steel. One was operated with awareness and care, accumulating a kind of mechanical resilience. The other was subjected to thoughtless stress, accumulating a history of tiny, invisible damages that now define its character. We often think of adulthood as a destination we arrive at, a machine we're given. We get the job, the apartment, the responsibilities—but find ourselves sputtering, while others seem to hum along just fine. We wonder what essential part we’re missing, rarely considering the invisible history of small actions and pressures that shaped us.

That feeling of being 'The Beast'—of having all the right parts but still failing to function—is what drove Jonathan William to write this book. After a successful career in logistics, a field built on making complex systems work reliably, he found his personal life was a mess of sputtering starts and breakdowns. He realized he had mastered the external systems of supply chains and operations but had never learned the internal principles of personal resilience and self-management. William spent years applying his professional diagnostic skills to the human experience, observing the subtle, daily practices that separate a life of frustrating effort from one of functional ease. The result is a practical guide to the kind of maintenance and mindful operation that allows a person to feel like a functioning adult.

Module 1: The Adulting Spectrum and Its Motivation

Let's first explore the framework William provides. He argues that adulthood is a developmental spectrum. He creates a few memorable categories to help us place ourselves. At one end are "Actual Babies." At the other, "Total Fucking Grownups," or TFGs. Most of us, he suggests, are "Theoretical Adults." We know what we should do. We just struggle with the execution. And then there are the "Big Fucking Babies," or BFBs—chronological adults who actively resist responsibility.

This brings us to a key insight. You must understand your position on the maturity spectrum to chart a path forward. Are you a TFG in your career but a BFB with your personal finances? Are you a Theoretical Adult who has great intentions but poor follow-through? Identifying where you are is the first step toward deciding where you want to go. It’s a self-assessment, not a judgment.

So what's the point of climbing this ladder? William argues the motivation is about unlocking two powerful forces: Reward and Relief. Think of it like the classic "chores before play" rule from childhood. The core motivation for adulting is the pursuit of Reward and Relief. Rewards are the perks. Freedom. Autonomy. Respect. The ability to hang a disco ball in your bathroom because you pay the rent. Relief is the absence of stress. It’s the feeling of going into a difficult conversation prepared. It's the quiet confidence that comes from knowing you can handle what life throws at you. This dual-engine system powers the entire journey.

Building on that idea, William introduces a simple but profound model for adult decision-making. He calls it the ABCs: Action and Behavior lead to Consequences. This is a simple but powerful model. To get the rewards and relief you want, you need to manage the consequences. And how do you do that? With a two-step method. Proactively manage outcomes by anticipating consequences and orchestrating your actions. First, you Anticipate: "What happens if I do this?" Then, you Orchestrate: "What can I do to get the best possible result?" This shifts you from a reactive state to a proactive one. You’re no longer just dealing with problems. You're designing better outcomes from the start.