The sequence, from the door
1. You go in. Either a small room with a chair and a screen, or a booth. You may kneel or sit; nobody minds which.
2. The sign of the cross. The priest usually begins, or invites you to. "In the name of the Father, and of the Son, and of the Holy Spirit."
3. You say how long it has been. Customarily: "Bless me, Father, for I have sinned. It has been [two months / six years / a very long time] since my last confession." If those words feel wrong in your mouth, say it plainly instead.
4. You tell your sins. Not a life story, not the circumstances of each one in full. What you did, and roughly how often if it was a pattern. "I lied to my wife about money, several times over the last year" is a complete and useful confession of that sin. You do not need to explain why.
5. The priest speaks. Sometimes a question, sometimes a few sentences of counsel, sometimes almost nothing. Then he gives you a penance — usually a prayer, occasionally an action.
6. You make an act of contrition. Any form, or your own words. If nothing comes, say so and he will prompt you. Even "Lord, I am sorry, and with your help I want to change" is enough.
7. Absolution. He extends his hand and says the form that ends: "I absolve you from your sins in the name of the Father, and of the Son, and of the Holy Spirit." At that point it is done — not partly, not provisionally.
8. You leave and do the penance. As soon as you reasonably can, so you do not forget it.
If it has been years
This is the most common reason people do not go, so it is worth being direct about it.
A long absence is not an aggravating circumstance. It is the ordinary case in any confessional in the world, and the sentence "it has been twenty years and I do not remember how this works" is one every priest has heard many times. You will not be asked why you stayed away.
Three practical points for that situation:
- You do not have to reconstruct twenty years. Confess the grave sins you are aware of after a reasonable examination, in kind and number as far as you know them. Nobody expects a complete inventory of two decades, and what you genuinely cannot recall is covered by the absolution.
- Bring a piece of paper if it helps. Reading from a list in the confessional is entirely normal and priests are quite used to it.
- You may ask for help before you start. "Could you walk me through it?" is a legitimate first sentence, and some parishes have a priest specifically available for exactly this.
One thing worth knowing about grave matter after a long absence: if you are conscious of grave sin, you are to receive absolution before going to Communion (CCC 1457). That is not a punishment but the order of things — the sacrament of reconciliation comes first, and it exists precisely so that the other is open again.
The seal, precisely
Canon law is unambiguous: the sacramental seal is inviolable, and it is absolutely forbidden for a confessor to betray a penitent in any way, for any reason (can. 983 §1). There is no exception — not for crimes, not for courts, not for the good of others. A priest who violates it directly incurs automatic excommunication reserved to the Apostolic See.
He also may not use knowledge from a confession to the penitent's disadvantage in any way, even where no disclosure is involved.
Preparing, briefly
You do not need much. Fifteen quiet minutes with an examination of conscience is enough for most people: look over the time since the last confession, note what needs naming, and stop when you have it. The examination is a look, not an interrogation — if yours regularly runs past half an hour or leaves you afraid, that is worth mentioning to the priest.
If you want the habit rather than the emergency, the daily version is the one that changes things: a short review each evening, the same seven steps Ignatius set out, so that the next confession is not an archaeological dig. That is what Lumen is for — including a confession preparation that assembles what has accumulated since the last time, kept encrypted on your own device, with no account and no server.