Eight months after the divorce, your ex-husband sends a letter.
It mentions counseling.
It sounds like the man you married, not the one who lied.
Strangers online already have an opinion about you trying again.
But that's not your real question.
Your question is harder.
How do you tell a good performance from an actual change?
The Apology Is Not the Point
That letter cost him an afternoon.
Trust, if it comes back at all, costs years.
You already tried the shortcut once before.
Early in the marriage, after a smaller betrayal, he apologized and you forgave him.
The apology became the whole transaction.
Nothing about the actual pattern changed underneath it.
The same cycle repeated later, at a much higher cost.
That wasn't bad luck.
That's what happens when an apology gets treated as proof instead of a starting point.
Why an Apology Feels Like a Fix but Isn't
An apology is a statement about intent.
It describes how someone feels right now, in this room, looking at your face.
It says nothing about how he acts in six months, under stress, when nobody's watching.
Grand gestures work the same way.
The letter, the counseling, the tears, all of it happens on a stage.
People perform well on a stage.
The real test is what happens offstage, in the hours nobody applauds.
If the affair grew out of secrecy, does he now hand over his phone unasked?
If it grew from resentment he never voiced, watch for a change there too.
Does he now say the small annoying thing out loud, instead of letting it rot for a year?
One kept promise proves nothing.
Ten kept promises don't either.
The Number That Actually Matters
What you're looking for is the same small correction, repeated until it stops being a performance.
Repeated until it becomes a habit instead of an act.
Call it a hundred times, roughly speaking.
The number isn't magic.
But nobody fakes a behavior for a hundred repetitions.
They can fake it for one grand gesture, or even a good month.
Somewhere past that, you stop watching an audition.
You start watching an actual person.
What About the Timeline and the Push-Back
Someone freshly dumped, still keeping no-contact, worries about a different risk.
She worries that any conditions will scare him off before he even gets a chance.
It won't, not if the person coming back is serious.
Someone only chasing comfort disappears the moment structure gets mentioned.
Someone who actually changed sticks around for the inconvenience of proving it.
A reunited couple hits the same wall from another angle.
He assumes the old fight resurfacing means the reconciliation already failed.
It usually means they skipped the slow part and went straight back to comfort.
Bringing up rules now doesn't ruin the good feeling.
Skipping the rules is what ruins it later, just quieter.
Two years isn't an arbitrary number either.
It's roughly how long it takes to see someone through a full cycle of ordinary stress.
A bad year at work, a family crisis, a holiday that used to start a fight.
Change that only shows up during a calm, hopeful reunion isn't change.
It's relief, wearing change's clothes.
What Comes Back Isn't the Old Marriage
None of this means erasing the marriage that existed before the affair.
Couples who reunite and skip straight back to old jokes usually meet the same irritations within a month.
That's what happens when comfort gets mistaken for repair.
You're allowed to keep what was good, the humor, the shorthand, the years together.
You just can't let it stand in for evidence.
History explains why you loved him.
It doesn't tell you whether he's safe now.
If he does the small thing again and again long enough, the marriage that returns won't be the old one.
It'll be a new one, built on proof instead of hope.
If he doesn't, you'll know that too, and much sooner than another eight months of letters.
Forgiving him now, before any of that, wouldn't be generous.
It would just mean the toll keeps landing on you, the same as before.