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となりの雑談 · Society & Culture

となりの雑談 EP.197「マイナスをゼロに」

2026-10-20 · 16 min · 3 min read

After months of dental appointments, Sakuchan (Sakurabayashi Naoko / 桜林直子) finishes treatment and lands on a realization: fixing a cavity is the act of "turning minus into zero" — and that, she discovers, is the structure of effort she has followed her whole life. Looking back on years spent caring for her father and raising a child alone while keeping income coming in, she reflects on the urgent holes that always had to be filled first. The episode closes with her first tentative step into positive territory: signing up for teeth whitening once every last cavity is fixed.

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What this episode answers

  • What does Sakuchan mean by "turning minus into zero"?

    It means eliminating problems and deficiencies to return to zero — the same way fixing a cavity restores what was lost rather than adding something new. In contrast to Su-san's (スーさん) effort of making a plus even better, Sakuchan has always understood foundation-building as her form of trying hard.

  • Why didn't Sakuchan try to work on the things that "ordinary people" can do?

    She has never been able to manage ordinary social tasks like serving salad or handling back-office work and long felt it as a complex; a friend her own age told her "let ordinary people handle the ordinary things," which freed her to stop trying to fill that gap at all.

  • What specific circumstances led Sakuchan to put her own wants on hold?

    She spent years caring for her father and then, as a single mother with limited working hours, had to earn income without fail — urgent holes always came first, so she convinced herself she had no wants, though she now understands she was simply deferring them.

  • How does she actually feel now that she has started whitening?

    She is following the process as instructed but cannot shake a nagging feeling of "is this really okay?" and still catches herself searching for more pressing problems she ought to spend the money on instead.

  • How does she feel now about spending money and time on things she doesn't need?

    The hesitation around money is still there, but she has begun to move forward; spending on herself sends her self-esteem up almost embarrassingly fast, enables bolder decisions, and opens different doors, and she has started small practices like a luxury body wash and an impulse-buy wallet.

Months of Dental Treatment as the Starting Point

Sakuchan spent months going back and forth to the dentist, finally fixing a poorly fitting crown and a collection of cavities she had been putting off for years. Deciding to "just fix everything at once" — rather than leaving work that was functional-but-flawed alone — was, she says, a distinctly forty-something kind of call. Su-san had been making weekly dentist trips around the same time and met the observation with an easy "that's just the age we're at."

The Structure of Effort: "Turning Minus into Zero"

While working through treatment, Sakuchan put language to something she had long felt. "Fixing a cavity is turning minus into zero, isn't it?" All the effort she has made since becoming an adult, she realized, has been the work of returning problems and shortcomings back to zero — not advancing, just recovering ground.

When Su-san talks about pushing herself, she tends to mean making something already good even better. Sakuchan's version of effort sits one step before that. She uses the image of shoring up a shaky foundation: building a beautiful structure on unstable ground will only lead to collapse later. From the outside it may look like she is refusing to build at all, but the groundwork is, to her, non-negotiable. She adds another analogy: before you teach a drowning person how to swim, you have to get them to shore.

The Complex of Not Doing "Normal" Things — and the Words That Freed Her

Sakuchan has carried a long-standing complex around the ordinary social competencies she simply cannot manage — things like serving salad for the table or handling back-office administrative work. From childhood she was always either too much or too little; never comfortably in the middle.

Some years into adulthood, a friend her own age said: "Let the ordinary people handle the ordinary things." It became a turning point and remains an anchor for her today. From that moment she stopped trying to fill that particular gap entirely.

She is careful, though, to distinguish this from "giving up on a weak subject." Not being able to do something others can do is fine as long as you can do something else — you won't die. But the holes she is talking about are a different order of problem: they are ground-level, the kind that leave you unable to stand at all. It is not about accepting weaknesses and playing to strengths; it is about cementing the foundation that is genuinely indispensable.

Caring for Her Father, Raising a Child Alone, and the Wants Put on Hold

As concrete examples of those holes, Sakuchan names two: the years she spent caring for her ailing father, pouring time and money into it, and the years after her child was born when, as a single mother with limited working hours, she absolutely had to earn income. For a long stretch, "pursuing what I want" simply was not on the table. Because of that, she had convinced herself she had no particular wants — but she now understands that was not true. She was simply asking them to wait. "The feeling was: I have holes I have to fill first. Could my wants please hold on?"

Whitening and the First Step toward Plus

Once every piece of treatment was complete, Sakuchan signed up for teeth whitening. It is the first investment she has ever made in something she does not need — a step, for the first time, into positive territory. She is following the process as she has been told, but a nagging feeling remains: "Is this really okay?" She finds herself scanning for more urgent problems she ought to be spending the money on instead, and admits that guilt around spending on a non-essential has not fully lifted.

Su-san calls it a big deal that she moved in that direction at all. Sakuchan senses her resistance is stronger around money than time, but she is beginning to feel the effects: spending on herself sends her self-esteem up almost embarrassingly fast, enables bolder decisions, and opens doors that were previously closed. A luxury body wash and an impulse-buy wallet are among the small experiments along those lines. As she approaches her forty-eighth birthday, both hosts close out the episode with the same wish — to spend the coming decades doing everything they want to do, and to end having had a good time.

Takeaways

  • Sakuchan's version of "trying hard" has always meant returning to zero — eliminating deficits — rather than building toward a plus, which is a fundamentally different stage from the effort Su-san describes.
  • Years of caring for her father and the financial pressure of single motherhood kept urgent holes at the front of the queue, forcing her wants into a holding pattern she mistook for having no wants at all.
  • Finishing dental treatment and signing up for whitening marks her first investment in "plus," but guilt over spending on non-necessities lingers even as she begins to feel the self-esteem and decisiveness that come with it.

マイナスをゼロに自己投資シングルマザー自己肯定感40代

This article is edited from a machine transcript of the first 30 minutes of the episode. It is not an official summary — please listen to the episode itself.