For anyone choosing a small daily habit. Drag or tap six cards: you, or not you.
From the Dear You studio · Updated November 2026 · 6 minute read
Neither wins for everyone. Short affirmations are quick and suit people who already feel fairly good about themselves; one study found they made people with low self-esteem feel worse. Journaling takes longer but has broader evidence behind it. If you want the speed of one and the depth of the other, a short letter to yourself sits in between.
AffirmationsJournalingLetters
Both are small, private habits, and both are easy to do badly. The useful question isn't which is "best" in general; it's which one you'll actually keep doing, and which one helps on the days that are harder. Here's what the research says about each, without the hype.
The best-known warning comes from a 2009 paper in Psychological Science by Joanne Wood, Elaine Perunovic and John Lee, "Positive self-statements: Power for some, peril for others". People with low self-esteem who repeated "I'm a lovable person" felt worse afterwards than those who didn't. People with high self-esteem felt a little better, and the benefit was limited.
A different kind of affirmation looks more promising. In psychology, "self-affirmation" usually means reflecting on values that matter to you, not repeating a slogan. A 2016 brain-imaging study led by Christopher Cascio in Social Cognitive and Affective Neuroscience found that reflecting on future-oriented core values engaged brain regions tied to self-related thinking and reward more than thinking about everyday activities.
A sentence you don't believe can sting. A value you do believe tends to hold.
Expressive writing (writing about your thoughts and feelings for short sessions) is one of the most studied self-help practices. A 2006 meta-analysis by Joanne Frattaroli in Psychological Bulletin pooled 146 randomized studies and found a positive, significant effect, with an average effect size of r = .075. That's real, and it's small. Journaling is a gentle habit, not a cure for anything.
The cost is time and a blank page. Plenty of people buy a nice notebook, write three entries, and stop because they don't know what to say. That's the problem prompts, and letters, are good at solving.
| Affirmations | Journaling | |
|---|---|---|
| Time | Under a minute | 10 to 20 minutes |
| Blank page? | No, the words are given | Yes, unless you use prompts |
| Best evidence | Values reflection, not slogans | 146-study meta-analysis, small effect |
| Can backfire | If it feels untrue | Rarely; can feel heavy |
| Best for | A quick reset you believe | Working something through |
Our own app is the middle card, so take this with that in mind: Dear You is ours. We built it because we kept wanting the warmth of an affirmation with a reason to write something back.
You choose what you'd like (a little encouragement, a moment of calm, a fresh start, courage, gratitude or a surprise) and Dear You opens an original letter chosen for it. Every letter ends with one small, doable step and a question worth writing back to, so it's never a slogan you have to swallow. You can write back privately, seal letters for your future self, and keep everything on your iPhone with Face ID. There's no quote feed and no streak to lose. The first daily letter is free; Dear You Plus is an optional subscription for a fresh letter every day and more.
It's a Tuesday with a hard meeting at ten. One version of you says "I am confident" into the mirror and doesn't quite believe it. Another opens a journal, writes the date, and stares at the line until the coffee goes cold.
A third opens a short letter about courage that ends with a question: "What would you tell a friend walking into that room?" Two sentences back. Done in five minutes. An illustration, not a study, but it's the morning we designed for.
This is general information, not medical advice. Talk to your clinician. Dear You is a reflection and writing app, not a medical or mental-health service.
For some people, yes. In a 2009 study, people with low self-esteem felt worse after repeating "I'm a lovable person." Statements that feel true, or reflecting on values you hold, tend to work better than slogans you don't believe.
Many expressive writing studies used short sessions of around 15 to 20 minutes, but there's no magic number. Five honest minutes you'll repeat beats an hour you'll skip.
Yes. A simple pairing is one sentence you believe, then a few lines on why it's true today. That's close to what a letter-and-reply does.
Answer one question: what's one thing you want to remember about today? Prompts and letters that end with a question make the first line much easier.
An original letter for today, one small step, and a question worth answering.
