Unsent letters / to an ex
You already know most of the sentences. Finally give them a page — sealed, private, and yours to keep or send later.
Private by default. No one reads it unless you say so.
An unsent letter to an ex is the letter you’ve been drafting in the shower, in the car, at 2am. You know exactly what it would say. You’ve just never sat down and written it — because once you do, you have to deal with what’s on the page.
Writing it doesn’t mean sending it. In Letterbox, there’s no send button until you’re ready. Write it tonight, read it in six months. Keep it forever. Or share the link — when, if, and only if it feels right.
Why people write these
The ex is the most written-to person on r/UnsentLetters for a reason: they are unreachable in the way that matters. Calling them would mean reopening something. A text would get misread. An email would feel unhinged. A letter you don’t send is the only format that lets you finish the thought without also restarting the relationship.
People write unsent letters to exes for closure they didn’t get, to say the thing the break-up didn’t make room for, to forgive them, to stop forgiving them, to remember what it actually felt like before time smooths it over. Sometimes the letter becomes a send-it. More often it becomes the thing that lets you stop writing it in your head.
The rule most people find: write the version you’d write if they’d never read it. Honest, not performative, not edited for how it lands. That version is the one that does the work.
Shared anonymously. Real enough to start you writing.
To the one who ended it
“I was going to write you a long thing about how you broke me. I’m four years past that now. What I actually want to say is: you were right. I wasn’t in it the way you were. I pretended for months, and you felt it before I did. I owe you an apology for the last six months we were together. I’m sorry.”
To the one I left
“I still think about the night I drove away. You stood on the porch. I didn’t turn around because I knew if I did, I’d come back and we’d have done another two years of the same thing. That wasn’t mercy, that was cowardice. I should have turned around and said goodbye like an adult. I’m sorry I didn’t.”
To the one I’m not over
“I’m writing this to put it somewhere that isn’t my head. I don’t want you back. I want to stop checking if you’ve posted. I want to hear your name and not flinch. I want to remember the good parts without it costing me the rest of the day. That’s all. That’s the whole letter.”
How to write
This is the version that works for most people. Adjust to taste.
The word "Dear" will make you polite. Write their actual name — whatever you called them. That’s the voice you need.
"I’m still angry." "I lied about why I left." "I miss you in a way I didn’t plan for." Not the tidy opening. The one you flinch at.
Not "we were happy." The drive back from your sister’s wedding with the windows down. The fight over the dishwasher that was never about the dishwasher. Specifics are where the feeling lives.
The letter won’t work if it’s only their fault. What did you do? What did you know you were doing at the time? This is the part you don’t want to write. Write it anyway.
Write the last sentence. "I hope you’re happy." "I don’t want you back." "I’m letting this go now." The ending is the closure you didn’t get from them. Give it to yourself.
In Letterbox, seal it behind a secret question only they would know ("what did we name the cat"). Leave it sealed forever. Share the link in a year. Schedule it for their birthday. Or delete it. Your letter, your call.
Prompts
Pick one. Write past the part you want to stop at.
Keep writing
Most people write three more letters the same week they write their first.
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