An Open When Letter
Open When It's Our Anniversary
The letter from earlier in the marriage, arriving on the right day.
An anniversary letter you wrote a year ago and forgot about is the most powerful kind. It catches you off-guard on the morning of, before the dinner reservation, before the gift, before the obligatory text from your in-laws.
Write the letter on a Tuesday morning when nothing is happening, while the love is unprompted. We mail it on your anniversary — first, fifth, twentieth. The version of you who wrote it is gone by the time the letter arrives. The version reading it is who needs it.
Timing
When to have it arrive
The date is fixed, which helps. The question is which date. The wedding is the obvious pick, but plenty of couples count from the first date, the day they moved in together, or the night someone finally said it first. Choose the one the two of you actually mark, not the one that sounds most official. Mail takes a few days, so set it three or four days early and it'll be waiting when the day arrives, not trailing in after dinner.
How far out is the real decision. One year is the classic: written on this anniversary, opened on the next, so you can compare notes on what changed. Two years is our maximum and feels different — long enough that neither of you will remember the exact words. If you're eyeing a big round number further off, like a tenth that's three years away, aim for the eighth or ninth instead.
Suggested Prompts
What to put inside
Pick one or two. The letter does not need to cover everything. It just needs to be specific.
- — The unimportant thing they did this week that you are trying to remember
- — What you would not give up about your marriage to fix what is hard about it
- — A specific reason you would say yes again
- — Something you have never said out loud about how they show up for you
- — The line you would put on their tombstone in fifty years (write it now while you can be light about it)
One way to start
You are asleep on the couch right now with your mouth slightly open and a baking show still going, and I'm writing this at the kitchen table so I don't wake you. It's an ordinary Tuesday in our seventh year. Nothing is happening. Yesterday you fixed the dishwasher by watching one video and swearing at it in a very calm voice, and I realized I'd marry you again for that alone. By the time you read this we'll have had another year. I hope it was a good one. I hope you're still swearing calmly at appliances.
Skip These
What to leave out
- — A replay of last month's fight, even a resolved one, because a year later it reads like a grudge with a stamp on it.
- — Promises that hang on things outside your control, like the house you'll definitely buy or the trip you're absolutely taking this year.
- — Inside references so obscure that even you won't remember them in two years; one sentence of context keeps the joke alive.
Simple Pricing
One payment. No subscription.
$9 digital or $19 handwritten — both arrive sealed on your chosen date.
Frequently Asked
The short version
What is an open-when letter?
A sealed letter labeled with the moment it should be opened — “Open when you miss me”, “Open when you can't sleep”. The tradition started in military families; the format is now used by everyone in any long-distance or high-stress relationship.
How does delivery work?
You write the letter (digital $9 or handwritten $19), pick a future date one month to two years out, and we mail it on the morning of that date. Real envelope, real wax seal, US mail.
Should we both write one?
Yes. The most-loved version of this tradition is each partner writing on their wedding day or anniversary, both letters held by us, both delivered the same day a year (or two) later, opened together.
What is the longest window?
Two years. So a wedding-day letter for the second anniversary, an anniversary letter for the next one. Beyond two years is on our list but not built yet.
Does it have to be a wedding anniversary?
No. Dating anniversaries, engagement anniversaries, the day you adopted the dog together — the letter works the same way. The envelope says “Our Anniversary”; what the two of you are counting from is your business. If you're not married yet, a dating-anniversary letter is also a sneaky way to find out how much changes in a year.
Can I mail it to the address we share?
Yes. We mail to whatever US address you give us, and the one you live at together is the usual choice. The only trick is the mailbox. If your partner brings the mail in, it lands in their hands, which is the point. If you're the household mail person, maybe let them do it that week.
Other Open When Letters