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14 min 10 sec
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The Shift: 7 Powerful Mindset Changes for Lasting Weight Loss

Shows why lasting weight loss begins with how you think. It covers seven changes in outlook, from kinder self-talk after a slip to specific plans and real support, that make healthy eating follow on its own.

Table of Content

If you can tell that a banana beats banana bread and grilled fish beats fried, food knowledge is probably not what stands between you and lasting weight loss. That is the starting claim of The Shift, by a psychologist and obesity researcher: what you think about yourself matters more than what lands on your plate. The author, who teaches at the University of Pennsylvania and serves as chief science officer at WW, argues that the body changes for good only after the mind does.

His case rests on seven changes in outlook. Each one replaces a habit of harsh judgment with something more useful, from gentler self-talk to precise plans and help from the people you live with. Practiced together, they make healthy eating the natural result of a fuller life, and weight loss something close to a side effect.

Along the way you get a sentence to say after a slip, a method for rewriting a vague resolution, and a reason to stop postponing happiness until the scale cooperates.

One small word that dieters use every day carries the weight of jail and divorce. A moment in a bridal shop shows how quickly that kind of judgment can turn joy into self-loathing, and what to put in its place.

Two extra pounds on the scale can end in an empty tub of ice cream, and the pounds are not what caused it. The author names the thinking traps behind that chain, including one that looks a lot like optimism.

Many people put pool parties and weddings on hold until they reach a certain size. A single figure about genes, and a short exercise about your arms, make a strong case for ending that wait.

Most people freeze when asked to list what they are good at. Two founders of positive psychology mapped out the strengths humans share, and the author shows how to turn yours into something close to a superpower.

Eat better is a resolution almost everyone has made and almost no one has kept. One small question, asked again and again, turns it into something you can put on a calendar and a shopping list.

Weight loss feels private, so many people try it alone and say nothing. Research the author cites points the other way, as long as you know exactly what to ask for and how to handle the people who undermine you.

Most of us carry a private list of what must happen before we are allowed to feel happy. The author argues the list has the order backwards, and a finding about teenagers and their later paychecks hints at why.

What the author builds across seven shifts is a different order of operations. Most diets begin with the body and hope the mind keeps up. The Shift starts with the voice in your head, the way you read a bad day, the respect you give your body and the people you let in, then lets the eating follow. Exercise and diet, he argues, make a lasting difference only when they come from intention and kindness toward yourself.

The practice can start small. After your next slip, write yourself a letter the way you would write to a close friend you respect: gentle, free of judgment, and curious about what went wrong and what could change so you feel happier. Turn one vague promise into a time and a place, like fruit with the afternoon tea. Ask one person for one precise favor, such as leaving cookies off the grocery list. And find something to be grateful for each day, starting well before the scale has moved.

Kindness, clear plans, support and gratitude do not wait for a lower number. In this account, they are what bring it.

About this book

What is this book about?

Most people who want to lose weight already know which foods are better for them. What trips them up is what happens in their heads: the harsh word after a slice of cake, the bad morning on the scale that turns into a ruined week, the belief that happiness has to wait for a smaller size. The author, a psychologist and obesity researcher, argues that the body changes for good only after the mind does. He sets out seven mindset shifts: speaking to yourself with compassion, replacing destructive thought patterns, setting goals by asking how, using your character strengths, appreciating your body, getting specific support and choosing happiness now. He backs them with research on genes and body weight, on social support and on early cheerfulness and later earnings. Readers get exercises they can try the same day. Among them are talking to yourself as you would to a friend, sharpening a vague resolution into a schedule, listing what a disliked body part does for you and making precise requests of family. The aim is a happier life in which weight loss arrives as a welcome bonus.

Book Information

Rating:

Genre:

Health & Nutrition, Personal Development

Topics:

Mindset, Positive Psychology, Self-Compassion, Weight Loss

Publisher:

Macmillan

Language:

English

Narrator:

Emily

First published:

May 2, 2023

Pages:

240

Length:

14 min 10 sec

Get the book:

Amazon

Who it's for

  • Discouraged by diet setbacks

    People who have tried diet after diet and keep losing heart after every setback.

  • Self-critical about food

    Anyone who knows what to eat but talks to themselves harshly about food, weight or their body.

  • Putting life on hold

    Those who have put parties, dates or happiness on hold until they reach a certain size.

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About the Author

Gary Foster

The author of The Shift is a psychologist and obesity researcher who teaches psychology within the psychiatry department at the University of Pennsylvania's Perelman School of Medicine. He is also chief science officer at WW, the organization formerly known as Weight Watchers. He has written more than 200 scientific articles and three books on treating obesity, The Shift among them.

Ratings & Reviews

Ratings at a glance

4.2

Overall score based on 346 ratings.

What people think

Listeners find this book beneficial and simple to navigate, offering advice on how to adjust your perspective for weight loss. They also enjoy the encouraging material, and one listener points out how the text fosters a sense of self-compassion. However, views on its overall value are split; some listeners feel it is a solid use of their time, but others suggest it is not worth the money.

Top reviews

Woravit

This book is a total game changer for anyone who constantly beats themselves up over a bad meal or a missed workout. Dr. Foster manages to bridge the gap between cold clinical data and real-world struggles by using scientific research to prove that self-compassion is actually a more effective tool than self-criticism. I learned in the very first chapter that being kind to myself isn't just fluffy advice; it is the physiological key to sustained weight loss. The text is packed with stories that resonated with my own childhood memories of using food to numb out. Truly, this is more of a mental health manual than a typical diet guide. I have already started applying the principles to my daily routine and the results are showing up in my attitude first, then the scale. It is a powerful resource that I plan to revisit whenever I feel my motivation starting to slip away.

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Iff

As someone who has wrestled with autoimmune issues and a family history of diabetes, I found this perspective incredibly refreshing and hopeful. The book provides specific tools for combating the negative mindsets that have held me back for years. Instead of just telling you what to eat, it helps you analyze your choices in reverse to understand the emotional triggers behind them. I made the decision to overhaul my eating habits while halfway through the chapters and I have already seen a difference in my energy levels. The focus on self-compassion was a lightbulb moment for me because I have always been my own harshest critic. Having the workbook alongside this text has been a huge help in stayng organized and focused on my journey. I am genuinely excited about what the future holds for my health now that I have these tools in hand.

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Anawin

Picked this up after my WW coach suggested it, and I ended up getting the audio version too so I could listen in the car. It has totally changed the way I think about myself and my weight loss journey. I learned that research actually shows you lose more weight when you aren't constantly criticizing your every move. That realization alone was worth the price of the book because it allowed me to stop the cycle of shame. The size of the book is also a plus; it isn't one of those giant, intimidating textbooks. It feels more like a supportive friend giving you the best possible advice based on years of experience. I’ve already recommended it to several friends who struggle with their relationship with food and exercise. It is a powerful, must-read volume.

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Ratree

Compact enough to toss in a gym bag, this guide is surprisingly dense with actionable insights that go way beyond counting calories. I appreciated how the author consolidates many of the core principles found in the WW program into one easy-to-digest volume. The physical quality of the hardcover is great and the smaller size makes it very easy to hold while I am reading on my stationary bike. Personally, I think the focus on shifting one’s mindset rather than just changing a menu is what makes this stand out in a crowded market. My only minor gripe is that some of the sections felt a bit repetitive if you are already familiar with modern behavioral science. Still, the underlying message about wellness being a holistic journey rather than a destination is something I really needed to hear right now.

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Ahmed

Ever wonder why you can follow a meal plan perfectly for a week but then fall off the wagon the moment life gets stressful? This book tackles that exact problem by focusing on the psychological 'shift' required to maintain long-term health. I found the real-life stories particularly moving because they highlighted how our internal monologues often sabotage our physical goals. The writing style is encouraging without being overly sugary, which I appreciated as someone who is usually cynical about self-help books. Foster explains the research in a way that makes sense, showing how our choices in relationships and activity are all connected to our mindset. I did find a few chapters to be a bit dry, but the overall message is strong enough to warrant a recommendation. It is a solid tool for anyone looking to fix their relationship with food for good.

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Cherry

Scientific research usually feels dry and inaccessible, but Foster manages to bridge the gap by connecting data to real-world struggles we all face. I liked that this wasn't a 'diet book' in the traditional sense, but rather a guide on how to think about your life and your body. The chapters on how we interpret our relationships and how those interpretations drive our eating habits were eye-opening for me. I’ve been using the Kindle edition to read while I exercise, and the formatting is perfect for quick sessions. While some of the 'secrets' felt like common sense, having them backed up by actual studies gave me the confidence to stick with the changes. It's a very encouraging read that sets out the skills needed for a lifelong shift in perspective. I will likely refer back to specific sections often.

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Max

Finally got around to reading this after seeing it mentioned in several wellness groups, and I am glad I did. The text helps you analyze your immediate steps toward wellness and explains why those steps are actually important for your long-term success. It is very informative and provides a clear roadmap for anyone feeling lost in the sea of conflicting diet advice available today. I especially liked the sections that discussed how childhood memories can influence our current choices without us even realizing it. My only criticism is that I wish there was even more content regarding the 'why' of wellness beyond just weight loss. However, it is a very good tool for reflecting on what truly matters in life. I’ve been using it as an ongoing reference and it has definitely helped me stay on track during difficult weeks.

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Sebastian

To be fair, a lot of what Dr. Foster shares here is stuff you have probably heard before if you have spent any time in wellness circles. While the information is certainly helpful and the writing is clear, I am not entirely sure it was worth the full price for a new copy. The book is quite short and moves through the concepts quickly without diving as deep into the 'why' as I would have liked. It functions well as a basic primer for beginners, but seasoned dieters might find the advice a little too familiar to be revolutionary. Frankly, the content feels a bit like a collection of very high-quality blog posts or newsletter entries. It is a good, informative read that is easy to understand, but I would suggest waiting for a sale or checking it out from your local library instead.

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Ethan

Look, I wanted to love this more because I respect the author's credentials, but it felt a bit like a long brochure for a specific weight loss program. The information is very well-presented and easy to read, but there isn't much here that feels truly groundbreaking or new. If you are struggling with your mindset, the advice on self-compassion is definitely valuable, but you could probably get the same info from a few good podcasts. To be honest, the value for money is my main concern here as the book is quite thin for the price point. It is informative and compact, which makes it easy to take anywhere, but I finished it in just two sittings. It serves as a decent reminder of good habits, but don't expect a deep dive into complex psychological theory. It is just okay in my opinion.

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Julian

Not what I expected given the hype I had seen on social media lately. The book is very basic and mostly repeats the same few points about being kind to yourself and thinking positively. While those are good messages, they didn't justify an entire book for me personally. I found the writing style a bit repetitive and the real-life stories felt somewhat polished and unrealistic compared to my actual daily struggles. It is a very quick read, but for the price, I was hoping for more specific strategies or deeper psychological analysis. If you are brand new to the idea of mindset work, this might be a five-star book for you, but for me, it felt redundant. It is a nice hardcover, but I don't think it offers enough new material to be worth the investment.

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Questions about this book

The author argues that what you think matters more for weight loss than what you eat, because most people already know which foods are healthier. He lays out seven mindset shifts: self-compassion, helpful thinking, goal setting, using your strengths, appreciating your body, seeking support and choosing happiness now. Practiced together, they make healthy eating and exercise come naturally, so weight loss becomes close to a side effect of a happier life.

The author treats setbacks as normal, even for very disciplined people. He suggests dropping harsh language such as cheating on a diet and speaking to yourself as you would to a close friend in the same spot. He also names four thinking traps, including all-or-none thinking and the negative filter, so you can catch them. Another tip is writing yourself a kind, nonjudgmental letter that looks at what went wrong.

No. The author deliberately skips comparing diets, arguing that most people already know oatmeal beats pancakes. His goals leave out calorie targets and weekly pounds. Instead he shows how to turn a broad aim like eating better into specific actions, such as fruit at set times each day, and how to build habits with a change, a cue and a reward.

It suits people who have tried weight loss programs before and feel discouraged, alone or stuck in a cycle of setbacks. It also fits anyone whose sense of worth is tied to their weight, who avoids events until they lose pounds, or who talks to themselves harshly about food. Readers wanting a meal plan will find mindset tools instead.

Start with one exercise. After a slip, ask what you would say to a friend and say it to yourself. Keep asking how until a vague goal has a time and place. Name one disliked body part and list what it does for you. Make one specific request of someone at home, such as handling the dishes while you exercise. Note one thing you are grateful for each day.

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