New Yorker

Honestly, I'm not building anything. I just like the sound they make when they fall.

At one year old, the child has no use for money, reputation, or social capital. The child has blocks. The wooden block—primary-colored, slightly chewed at one corner—is the first commodity a person comes to value, and it may be the most honest. A block does exactly what it promises. It sits there. It can be stacked. It can be toppled. It can be inserted into the mouth, with varying degrees of success. There is no pretense to a block, no hidden agenda. It would be decades before the child encountered anything so straightforward again.

I don't want to alarm anyone, but I believe the cookies are on a higher shelf than last week.

By five, the child has developed taste, which is to say the child has discovered sugar. The cookie is the five-year-old's stock option, bonus check, and corner office combined. Elaborate negotiations are conducted for cookies. Alliances are forged and betrayed. A child who would not pick up a single toy from the living-room floor will scale a kitchen counter with the focus and determination of a Sherpa approaching the Hillary Step, all for a single chocolate chip cookie that an adult would consume without thinking, standing over the sink, at eleven-thirty at night.

My son says he's ready for independence. He also can't parallel park or boil water.

Sixteen is the age at which the automobile, previously understood only as the large box in which one is transported to the orthodontist, reveals itself to be something else entirely: a vehicle of freedom. The car ride is the currency of sixteen because it represents the first real negotiation between the self and the open road, between the desire to go somewhere—anywhere, really—and the brute fact that someone must drive you there. To be sixteen and without a car ride is to be marooned on an island that looks suspiciously like your parents' house. The desperation is genuine. The driving, when it comes, is somewhat less so.

I see you've also given up on finding meaning and switched to oat milk.

At twenty-five, one has graduated from something, moved to a city, and taken up a position—junior, always junior—in an office where the lights are either fluorescent or “mood,” depending on the industry. The latte is the currency here, not because it tastes particularly good (it does) but because it represents a seven-dollar daily assertion that one is, in fact, an adult. The latte says: I have preferences. I have a morning routine. I have four dollars and fifty cents less than I did five minutes ago, but I have, cradled in my hands, proof that I am a person who makes choices. The oat milk is extra. The oat milk is always extra.

We used to talk about our dreams. Now we just want to have them—unconsciously, for eight hours, uninterrupted.

Sleep, at thirty-one, is no longer something that happens. It is something that is pursued, negotiated for, and, on the best nights, briefly achieved. The thirty-one-year-old has a child, or a job that behaves like one, or both, and has come to understand that consciousness, while technically necessary, is also profoundly overrated. Sleep is the new money. People will cancel plans for it. They will pay for apps that promise it. They will discuss it at dinner parties with the fervor once reserved for politics and real estate. “I got seven hours last night,” someone will say, and the table will go silent with envy.

At some point, I stopped being an idealist and started being a person with a mortgage. Same thing, really.

Here we arrive at the one currency that actually is a currency. By forty-five, a person has cycled through enough metaphorical economies to find something almost refreshing in the literal one. Money, at forty-five, is not about greed. It is about arithmetic. There are tuitions and mortgages and the slow dawning comprehension that retirement is not, as previously imagined, an abstract concept that applies to other people. The forty-five-year-old does not worship money. The forty-five-year-old merely understands, with a clarity that would have seemed crass at twenty-five, that the latte costs seven dollars, and that seven dollars, multiplied by three hundred and sixty-five, is two thousand five hundred and fifty-five dollars, which is, the forty-five-year-old cannot help but notice, not nothing.

I finally have the time to do everything I want. Unfortunately, what I want is more time.

And so we arrive at the end of the ledger, where the currency is the one thing that cannot be earned, saved, or invested: time. At sixty-one, a person has accumulated enough of everything else—enough money, enough stuff, enough opinions—to understand that none of it compounds the way a Tuesday afternoon does. The sixty-one-year-old sits on a park bench and does something that would have been unthinkable at twenty-five: nothing. And the nothing is exquisite. Every unhurried minute is a small fortune. Every afternoon without an agenda is a windfall. The sixty-one-year-old has solved the equation that the rest of us are still scribbling at, which is that the richest person in the room is not the one with the most money but the one with the most morning.

The cycle, of course, continues. The one-year-old will eventually want cookies. The cookie-lover will want car rides. The driver will want coffee, then sleep, then money, then time—and then, perhaps, the simplicity of blocks again. The economy of a life is circular, which is another way of saying that it is, in the end, perfectly designed.

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