Three Good Things: A Daily Positivity Practice

A brief nightly exercise for noticing what went well and why it matters

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Three Good Things: A Daily Positivity Practice

A brief nightly exercise for noticing what went well and why it matters

Three Good Things: A Daily Positivity Practice

A brief nightly exercise for noticing what went well and why it matters

The Three Good Things exercise, also called the What Went Well intervention, is one of the most replicated positive psychology practices. Originally developed by Martin Seligman and colleagues (2005) and validated in numerous subsequent trials (Gander et al., 2020; Carr et al., 2021), it involves writing down three positive events each day along with a brief reflection on why they happened. Studies show that practicing this exercise nightly for just one week produces lasting increases in happiness and decreases in depressive symptoms for up to six months. Its simplicity and brevity make it one of the easiest gratitude practices to maintain over time.

How to Practice Three Good Things

Set a consistent time Choose a regular moment each evening, such as before bed or after dinner, to sit down with a notebook, journal, or digital device. Consistency is more important than duration.Example: Keep a small notebook on your nightstand and write your three good things right after brushing your teeth each night, so it becomes part of your bedtime routine.
Write down three good things Record three events from your day that went well or that you feel good about. These can range from significant accomplishments to small pleasures like enjoying a meal or having a pleasant conversation.Example: 1) My morning coffee tasted especially good. 2) I finished a report I had been putting off. 3) My daughter told me a funny story at dinner.
Reflect on why each one happened For each item, write a sentence or two about what caused this good thing. Did you contribute to it? Did someone else? Was it a fortunate circumstance? This causal analysis deepens the emotional benefit of the exercise.Example: Good thing: A coworker complimented my presentation. Why it happened: I prepared thoroughly and practiced the night before, which gave me confidence.
Continue for at least one week Commit to seven consecutive days as a starting period. Many people find the practice rewarding enough to continue indefinitely, but even a single week can produce measurable benefits.Example: Set a simple goal: 'I will write my three good things every night from Monday through Sunday this week,' and then decide afterward whether to continue.

Sample Prompt Categories

Something I accomplished today Completing a task, making progress on a project, solving a problem, or following through on a commitment.Example: I finally organized my desk, which had been cluttered for weeks. It feels good to have a clean workspace.
A moment of connection A meaningful interaction with a friend, family member, colleague, or even a stranger that left you feeling positive.Example: My neighbor stopped to chat while I was walking the dog, and we ended up laughing together for ten minutes.
Something that made me laugh or smile A funny moment, an unexpected surprise, or a small delight that brightened your day.Example: My cat knocked a pen off the table and then looked startled by the noise, which made me laugh out loud.
Something I noticed and appreciated A beautiful scene, a moment of calm, a physical comfort, or a piece of art or music that moved you.Example: I noticed the sunset turning the sky orange and pink on my drive home and took a moment to appreciate it.
Something I am proud of about myself A choice you made, a boundary you held, a kind act you performed, or personal growth you recognized.Example: I said no to an extra commitment today because I knew I needed rest, and I am proud I honored that boundary.
Something I am looking forward to An upcoming event, plan, or possibility that generates positive anticipation.Example: I am looking forward to having dinner with an old friend this weekend -- it has been months since we last caught up.

Why This Practice Works

Counteracts the negativity bias: The human brain is wired to pay more attention to threats and problems than to positive events. Deliberately recalling good things each day retrains attention toward what is going well, gradually shifting your baseline emotional tone.Example: After a week of practice, you may start noticing small positives throughout the day, like a warm breeze or a kind word, because your brain is learning to look for them.

Builds a personal evidence base: Over days and weeks, your written entries become tangible proof that good things happen regularly, even on difficult days. Reviewing past entries during low moments can provide a meaningful mood boost.Example: On a tough day, flipping back through two weeks of entries reminds you that last Tuesday you laughed with a friend and last Thursday you completed a project you were proud of.

Strengthens attribution of agency: By reflecting on why good things happened, you begin to notice your own role in creating positive outcomes. This increases self-efficacy and an internal locus of control, both of which are protective against depression.Example: Realizing that your pleasant lunch with a coworker happened because you made the effort to invite them helps you see yourself as someone who can create positive moments.