Why is there a better chance of reconciliation if a cheater confesses vs they get caught?

Well infidelity for sure destroys trust in relationships and marriages but I've heard that a chance of a reconciliation slightly increases if the cheater actually comes clean vs gets caught.

Among the very few successful stories of R I've heard, it was mainly about the cheater confessing. Meanwhile those that got caught either ends up in an immediately break-up or divorce or the R process is short-lived and fails.

Why do you think there is a better chance of a reconciliation (even if it's only by 10-20%) if a cheater confesses than if they get caught?

Why is there a better chance of reconciliation if a cheater confesses vs they get caught?
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