One Day Sober.

Featured · The App

What if you never had a hangover again?

A calm, analytical tool for understanding your own patterns with alcohol. Daily check-ins, pattern insights, and an offline urge-interruption flow — in the moment you need it most.

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The Book

The psychology of why quitting is harder than it should be.

A mindset-shift book about alcohol — not a recovery memoir, not a self-help manual. The one thing that actually made a difference for me: a change in perspective.

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The App

What if you never had a hangover again?

A private tool for understanding your own patterns. Daily check-ins, pattern insights, and an offline urge-interruption flow that works when you need it most.

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The Journal

Weekly prompts and practical tools in your inbox.

No toxic positivity. No motivational quotes. Just the things I wish someone had sent me when I first tried to quit drinking.

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An essay

I didn't want to quit drinking. I wanted the consequences to stop.

I spent years negotiating with myself like a hostage in my own mind. Every morning: today is the day. This is it. Every evening: one more won't hurt. I meant both, every single time.

What finally shifted wasn't willpower. It wasn't hitting bottom. It was a change in how I thought about alcohol — what it was actually doing for me, what it wasn't, and what the story I'd been telling myself about it was really worth.

Keep reading the Journal →
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About

I'm Kate Black Swan.

I write about the psychology of alcohol, why quitting is harder than it should be, and what actually helped me. No motivational quotes — just everything I wish I knew when I first got sober.

Seven plus years sober. Author of One Day Sober. Creator of the One Day Sober app. Based in Switzerland.

The Journal

Weekly, in your inbox.

Journaling prompts, practical tools, and the occasional longer essay. No motivational quotes. No toxic positivity. Unsubscribe whenever.

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