The Let Them Theory by Mel Robbins book cover
Self-Help

The Let Them Theory

by Mel Robbins

Two words for other people (Let Them) and two for yourself (Let Me), applied to stress, friendship, family and love.

★★★½☆ 3.5 / 5

A genuinely useful, sticky idea with excellent friendship chapters, but one idea stretched across a whole book, with shaky science and advice that could hurt the wrong reader. Three and a half out of five.

The Let Them Theory: summary, review, how to apply and books like it

Every guide comes as a video and a full written article. Pick the one you need: the review is spoiler-free, the ending explained is not.

The Let Them Theory quick review in 1 minute

Is The Let Them Theory by Mel Robbins worth reading? A one-minute, spoiler-free review: the setup, the catch, and my score.

What is The Let Them Theory about?

The Let Them Theory (2024) by Mel Robbins, written with her daughter Sawyer, turns a viral video into a book: say “Let Them” to stop trying to control other adults, then “Let Me” to take responsibility for your own next move.

Below you’ll find a full summary, an honest review, seven practical lessons for using it, and six books to read next.

Quick recap. Let Them means you stop trying to control other adults: their opinions, moods and choices. Let Me means you take responsibility for your own next move.

Mel is upfront that this isn't new. She ties it to Stoicism, Buddhism and radical acceptance. Her pitch is that two words are easier to remember in the moment than a philosophy. And honestly, she's right.

Today it's The Let Them Theory, by Mel Robbins, the self help book everyone seems to be quoting. Her publisher says it has sold more than eight million copies.

Read it if
  • You're a people pleaser or an overthinker
  • You've just moved and feel lonely
  • You want one phrase you'll actually remember
Skip it if
  • You've read Stoicism or The Courage to Be Disliked
  • You want rigorous research

The Let Them Theory review scorecard

Usefulness
4
Friendship advice
4.5
Readability
4
Evidence
2
Originality
2.5
Average3.4 / 5

The Let Them Theory: questions people ask

What is The Let Them Theory about?

Quick recap. Let Them means you stop trying to control other adults: their opinions, moods and choices. Let Me means you take responsibility for your own next move.

Is The Let Them Theory worth reading?

A genuinely useful, sticky idea with excellent friendship chapters, but one idea stretched across a whole book, with shaky science and advice that could hurt the wrong reader. Three and a half out of five. Read it if: you're a people pleaser or an overthinker; you've just moved and feel lonely; you want one phrase you'll actually remember. Skip it if: you've read stoicism or the courage to be disliked; you want rigorous research. Review: The Let Them Theory →

Is there a summary of The Let Them Theory?

The Let Them Theory by Mel Robbins, summarized: where Let Them came from, what Let Me means, and how the book applies them to stress, opinions, emotions, comparison, friendship, changing people and love. Summary: The Let Them Theory →

What books are like The Let Them Theory?

The Courage to Be Disliked by Ichiro Kishimi and Fumitake Koga, Codependent No More by Melody Beattie, The Subtle Art of Not Giving a F*ck by Mark Manson, Set Boundaries, Find Peace by Nedra Glover Tawwab, Platonic by Marisa G. Franco, The Good Life by Robert Waldinger and Marc Schulz. Books like it: The Let Them Theory →

What is the Let Them Theory?

Mel Robbins' idea that you stop trying to control other adults (Let Them) and take responsibility for your own next move (Let Me). She says it only works with both halves.

What are some Let Them Theory examples?

The idea started when Mel's daughter told her to let her son's prom group go to a taco bar in the rain. Other examples from the book: a friend doesn't invite you, a colleague is in a bad mood, or old friends take a trip without you. You say Let Them, then Let Me decide your own next step.

Where did the Let Them Theory come from?

From a family moment. Mel's daughter Kendall told her to stop trying to fix her son's prom plans and let them do it their way, and Mel's short video about it went viral.

What are the three pillars of friendship in The Let Them Theory?

Proximity, timing and energy. Mel says most friendships fade because one of these changes, not because anyone did something wrong, and energy is the one you control.

Books mentioned in these videos

The Courage to Be Disliked
Ichiro Kishimi and Fumitake Koga
The Courage to Be Disliked book · The Courage to Be Disliked audiobook
Codependent No More
Melody Beattie
Codependent No More book · Codependent No More audiobook
Set Boundaries, Find Peace
Nedra Glover Tawwab
Set Boundaries, Find Peace book · Set Boundaries, Find Peace audiobook
Platonic
Marisa G. Franco
Platonic book · Platonic audiobook
The Good Life
Robert Waldinger and Marc Schulz
The Good Life book · The Good Life audiobook

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