Why the brain rationalizes low moods
When experiencing low moods, the brain constantly searches for convenient explanations based on past experiences, which may not represent the whole truth.
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Updated
Read Time
7 min read
Our age bandAdult
Reader rating
4.5 · 14,377 Amazon ratings, as of Nov 2026
reader ratings, not a LuvemBooks scoreShare This Review
Our review
Why Has Nobody Told Me This Before?
Why Has Nobody Told Me This Before? by Julie Smith Review: A Practical Mental-Health Toolkit
by Julie Smith
Clinical psychologist and TikTok phenomenon Dr Julie Smith distils a therapist's toolkit into bite-sized entries on low mood, anxiety, motivation and self-doubt. An international bestseller with over a million copies sold, it works best as an accessible first port of call.
LuvemBooks Verdict
Best for
Readers new to mental-health self-help who want a clear, jargon-free, evidence-based toolkit from a practising clinical psychologist, organised so they can find guidance on low mood, anxiety, motivation or self-doubt in the moment.
Worth it if
Worth reading if you want a warm, practical starting point you can dip into by topic, and you're happy to treat it as a first port of call rather than a deep dive.
Skip if
Skip it if you want an in-depth treatment of one issue such as trauma, severe depression or complex anxiety, or if you're already well read in CBT-based self-help, where Thoughtful Critic found the breadth limits the depth and the material may feel familiar.
Where reviewers agree and split
Readers rate it 4.5 on Amazon. The reviews we read that discuss it in depth split on some points:
- Positive
Go Roundtable · Book blog: excellent toolkit with practical solutions for mental health maintenance
- Positive
Kim Tasso · Book blog: accessible, practical toolbox of essential mental health life skills
- Mixed
Thoughtful Critic · Book blog: accessible starter guide but lacks depth for complex needs
- Positive
SM Wilderness · Book blog: groundbreaking toolkit with actionable steps that effectively stopped panic attacks (from its headline)
What readers & critics say
Reception leans positive: the book blogs Go Roundtable and Kim Tasso both praise it as a practical toolkit, with Kim Tasso calling it "accessible, no-nonsense, evidence-based and practical". Thoughtful Critic is more mixed, calling it a valuable starting point for newcomers but noting its breadth may limit its depth for readers with complex needs.
Sources: Go Roundtable, Kim Tasso, Thoughtful Critic4.5from 14,377 Amazon ratings, as of Nov 2026— reader ratings, not a LuvemBooks score
RJ Ananthi from The Book Show reviews Why Has Nobody Told Me This Before?: An International Bestselling Guide to Mental Health
RJ Ananthi reviews Julie Smith's 'Why Has Nobody Told Me This Before?', highlighting its key psychological insights on emotions and stress management.
A BookTube review by The Book Show, 2024 · 265K views · 810K subscribers · Watch on YouTube ·
Their views, not ours. The points are our AI summary of what they say, each playing from where they say it.
The cycle of thoughts and physical sensations
The book illustrates how thoughts trigger emotional and physical sensations that drive behavioral urges, which can be interrupted and reshaped over time.
Expanding emotional vocabulary
People often mask complex underlying emotions like fear behind simpler reactions like anger or crying, making precise emotional vocabulary essential for self-awareness.
Calming stress through square breathing
Controlled physical practices such as square breathing send physiological signals to the brain that the current environment is safe, easing stress and compulsive urges.
Ask LuvemBooks
Was this helpful?
Dr Julie Smith's Why Has Nobody Told Me This Before? distils a clinical psychologist's toolkit into short, dip-in entries on low mood, anxiety, motivation, self-worth and handling criticism — an evidence-based guide with no psychobabble. LuvemBooks' verdict: it's a strong, accessible first port of call for anyone wanting practical mental-health life skills, backed by a million-plus readers and endorsements from Lori Gottlieb and Nicole LePera. The key caveat: the bite-sized format trades depth for accessibility, so readers in acute difficulty — or those already fluent in CBT-based self-help — should expect an introduction, not a deep dive or a substitute for therapy.
- Is it worth reading?
- Yes — with one clear caveat. It works best as an accessible first port of call: readers wanting an extended, rigorous treatment of a single issue will find it introductory by design, and those already well versed in CBT-informed self-help may find much of the material familiar.
- Similar books
- Readers who like Smith's practical, evidence-based approach have several strong companions. Kristin Neff's Self-Compassion goes deeper on one of Smith's core themes — treating yourself kindly; Charles Duhigg's The Power of Habit covers the behavioural science behind building better routines; and David D. Burns' Feeling Good is the classic CBT-based guide to low mood that Smith's work draws on. Also in this vein: Steve Peters' The Chimp Paradox, Nedra Glover Tawwab's Set Boundaries, Find Peace, and Smith's own follow-up, Open When.
- Who should read this?
- The reader Smith's title addresses directly: someone who suspects there are things about their own mind that nobody ever explained, and who wants a clear, compassionate starting point. It's ideal for readers wary of vague wellness advice — its evidence-based framing reassures — and for anyone wanting a first mental-health toolkit from a practising clinician, or a gift for someone in that position. The dip-in format suits people who want specific guidance in a difficult moment rather than a cover-to-cover commitment.
- How does the dip-in format work?
- It's built for dipping in as needed. Rather than a single sustained argument, the book is organised into short, easy-to-digest entries so readers can find specific guidance in the moment — on low mood one day, motivation the next. The publisher describes it as 'secrets from a therapist's toolkit' without psychobabble, and that browse-by-need design is central to how it works.
- What topics does it cover?
- Per the publisher's breakdown, it moves across the everyday terrain of emotional difficulty: the science of low mood, anxiety and stress, plus practical strategies for dealing with emotional pain and self-doubt. It then turns to building self-worth, finding motivation and handling criticism. The scope is deliberately broad — common life challenges rather than any single condition or clinical diagnosis.
- What are the book's limitations?
- The same qualities that make it approachable define its ceiling. The bite-sized, browse-by-need format trades depth for accessibility, so it is introductory by design on any single issue — severe depression, trauma or complex anxiety will need more than a general toolkit. It is a self-help guide drawing on therapeutic skills, not a substitute for therapy, and readers already versed in CBT-informed self-help may find much of the material familiar.
Summarize this book
Is it worth reading?
Who should read this?
How does the dip-in format work?
What topics does it cover?
What are the book's limitations?
Summarize this book
Clinical psychologist Dr Julie Smith — who built an audience of around three million on TikTok during the Covid period — turns 'secrets from a therapist's toolkit' into short, easy-to-digest entries readers can dip into as needed. Published by HarperOne in January 2022, the 368-page book covers the science of low mood, anxiety and stress, plus practical strategies for emotional pain, self-doubt, self-worth, motivation and handling criticism.
Follow up
How is the book structured?
Is it about clinical conditions?
How well did it sell?
Synthesized from verified book data & published reviews · How we review
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Answers come from our editorial notes on this book. If we haven't covered something, we'll say so.
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Our Review
We review the evidence: published critics, reader verdicts and BookTube reviews, gathered and weighed with AI assistance and edited by LuvemBooks, rather than one reader's first-hand take.
A practical, bite-sized mental-health toolkit from one of social media's most-followed clinical psychologists — strongest as an accessible first port of call rather than a deep dive. This review draws on the publisher's description and published commentary, not hands-on use of the exercises.
Why Has Nobody Told Me This Before?: An International Bestselling Guide to Mental Health and Emotional Resilience from a Clinical Psychologist by Julie Smith front cover
What the Book Is
Why Has Nobody Told Me This Before? Is the debut book from Dr Julie Smith, a clinical psychologist who built an audience of around three million during the Covid period as one of the first therapists to share insights from therapy on TikTok.
Published by HarperOne in January 2022, the 368-page hardcover distils what the publisher calls "secrets from a therapist's toolkit" into short, easy-to-digest entries designed to be dipped into as needed. The subtitle describes it as a guide to mental health and emotional resilience, and the structure reflects that: rather than a single sustained argument, it is organised so readers can find specific guidance in the moment, without what the publisher terms "psychobabble."
What It Covers
The book moves across the everyday terrain of emotional difficulty rather than concentrating on one condition. Per the publisher's breakdown, it addresses the science of low mood, anxiety and stress alongside practical strategies for dealing with emotional pain and self-doubt; it then turns to building self-worth, finding motivation and handling criticism.
The through-line, as one reviewer at kimtasso.com summarised, is that the book functions as "a toolbox of essential mental health life skills" — managing emotions in a healthy way, building self-awareness and resilience. Smith's stated aim is that dealing with emotions well builds resilience and, over time, growth.
It is pitched at common life challenges rather than clinical diagnosis or treatment.
Reception and Reach
The commercial response has been substantial: the book is billed as an international bestseller with over one million copies sold worldwide, and Amazon lists it among the Top 100 in Books. Endorsements come from prominent figures in the popular-psychology space — Lori Gottlieb, author of Maybe You Should Talk to Someone, calls it "Smart, insightful, and warm," adding that "Dr. Julie is both the expert and wise friend we all need," while Nicole LePera, author of How to Do the Work, frames it as the feeling of having a therapist across from you.
Independent commentary echoes that tone: the kimtasso.com review describes the book as easy to understand, direct, grounded in science, and useful, with its reviewer reporting they ordered the hardback after starting the audiobook.
Where Its Limits Lie
The same qualities that make the book approachable define its ceiling. A bite-sized, browse-by-need format trades depth for accessibility, so readers looking for an extended, rigorous treatment of a single issue — severe depression, trauma, complex anxiety — will find this introductory by design.
It is a self-help guide drawing on therapeutic skills, not a substitute for therapy itself, and those in acute difficulty will need more than a general toolkit. Readers already well versed in CBT-informed self-help may also find much of the material familiar, since the book's mission is to make foundational ideas widely available rather than to advance new ones.
Who It's For
This is a book for the reader Smith's title addresses directly: someone who suspects there are things about their own mind that nobody ever explained, and who wants a clear, compassionate starting point. Its short-entry format suits dipping in during a difficult week as much as reading cover to cover, and its evidence-based framing will reassure readers wary of vague wellness advice.
For anyone seeking a first mental-health toolkit from a practising clinician — or a gift for someone in that position — the record of a million-plus readers suggests it has filled exactly that gap.
Sources & Further Reading
The key facts and claims in this review are grounded in the retrieved, verified sources listed below.
- Cited in this review
- 1
- 2
kimtasso.com
- 3
- Further reading
- 4
- 5
- 6
- 7
Go Roundtable
Age & Reading Level
Our age band
Adult
Our age band groups books for browsing; it isn't an age a review gave.
3 content notes · who it suits
Content to know about
discussions of depression and low mood
anxiety, stress, and emotional pain
self-doubt and low self-worth
Skip if you want a deep, rigorous treatment of a single condition like severe depression or trauma — this is an introductory toolkit by design, not a substitute for therapy.
Julie Smith on Why Has Nobody Told Me This Before?
Dr. Julie Smith appears on This Morning to discuss the core ideas and practical mental health tools from her book Why Has Nobody Told Me This Before?.
Uploaded by This Morning, 2022 · Watch on YouTube ·
Demystifying therapy through accessible content
Smith explains that much of therapy is simply educational, teaching how the mind works. She felt this knowledge should be freely accessible rather than restricted to formal therapy sessions.
Designing the book for non-linear reading
Smith designed her book without clinical jargon so readers can dip into specific topics relevant to their daily struggles rather than reading from cover to cover.
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