How to write a gratitude letter

A gratitude letter is a thank-you that goes further than "thanks". You tell one person what they did, when, and what it changed for you.

The psychologist Martin Seligman made it well known as the "gratitude visit": write the letter, then read it to the person. In a 2005 study by his team, people who did this reported feeling happier for about a month afterward, and the effect faded after that.

Who to thank

Think of someone who made a difference and never heard how much. A teacher, a coach, a neighbor, a friend who showed up at the right time, a stranger whose name you never learned.

What to put in it

  1. Name the moment: "The week I moved, you..."
  2. Say what they did, as specifically as you can.
  3. Say what it changed for you, then and now.
  4. Tell them how you think of them today.

Sending it is optional

Some people read the letter aloud, as in the original exercise. Some can't, because the person is out of reach or it would feel strange after so long. Writing it still makes you notice what you were given.

Something you need to say?

Said, Not Read is a good place for the thank-yous you aren't ready to send. Write it to them as a text, read it back, and decide later whether the real one goes out.

Make a contact, write it out, and watch it send.

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Questions

How long should a gratitude letter be?

Long enough to be specific. A few paragraphs, or about a page, is common. One clear memory beats a long list.

Can I write one to someone I lost touch with?

Yes. Those are often the letters people most want to write. You can decide afterward whether to try to reach them.