Infidelity: what happens next and how trust is rebuilt

What counts as infidelity?

Infidelity is whatever breaks the agreement the 2 of you had about exclusivity. Most couples never state that agreement. They inherit it, assume it is shared, and discover at the worst moment that it was different for each of them.

• A physical affair. It breaks the clearest rule.
• An emotional affair. The contact stays non-physical, and the closeness the relationship was meant to hold goes to somebody else.
• The low-grade kind. Deleted messages and a friendship never mentioned do their damage slowly.
• What weighs most. What was hidden, for how long, and what was said when it was asked about.

Read more about emotional affairs and micro-cheating.

How common is infidelity?

Infidelity is less common than the internet implies and more common than most people assume of their own circle.

• The usual figures. In American survey data reported by the Institute for Family Studies, 20 per cent of men and 13 per cent of women said they had had sex with someone other than their spouse while married.
• How to read them. They are American, they cover a lifetime, they ask only about sex, and they rely on people telling the truth about the thing they lied about.
• The consequence. A review of 5 studies of why people divorce found infidelity on every list.
• Cause or final straw. In some of those studies it was the immediate cause, and in others it came after years of something else.

These figures are a rough map and no measurement of your marriage.

What happens in the first days after infidelity comes out?

The first days are closer to shock than to sadness. Sleep goes, appetite goes, and the mind runs the same few facts on a loop, looking for a version that hurts less.

• Two injuries. One is the affair, and the other is the months of being told that nothing was going on.
• Doubting your own judgement. You were told you were imagining it, so you stop trusting what you saw.
• Relief and panic. The partner who had the affair swings between the 2 and starts explaining.
• Explanations as excuses. At this stage every explanation is heard as an excuse, and mostly it is one.
• No sleep, large decisions. Permanent decisions get taken by people who have not slept.

Should the unfaithful partner tell everything?

Tell all the facts in one piece, and leave out the graphic detail unless your partner asks for it.

• The facts. What happened, when, with whom and for how long.
• The scenes. A scene-by-scene account leaves images that stay and do not help.
• Who decides. The betrayed partner decides what they need to know, after the first shock has passed.
• Truth in instalments. Each new piece resets the clock and teaches your partner that what they are told depends on what they have found.
• The protective instinct. You tell the version you think is survivable and add to it when pressed, and from the outside that is catastrophic.

Truth that arrives in instalments is, in my view, the single most destructive thing that happens in this work. If there is more, it goes on the table now, however bad.

Why does the betrayed partner keep asking the same questions?

The same questions return because the question underneath has not been asked yet. By the third week most people know the facts.

• What is being asked. Did I matter, was I being laughed at, and is my own memory of that period reliable.
• Why a timeline fails. None of those is answered by dates and times.
• “I have already told you that.” The sentence is true and it makes things worse.
• The tenth answer. Answering the same question calmly for the tenth time is a large part of the repair.
• The harder sentence. “Were you thinking about me?” gets you more than “what time did you leave?”

How do you rebuild trust after infidelity?

You rebuild trust in an order: the contact ends, responsibility is taken, the injury is understood, and closeness returns last. An unhappy relationship does not cause an affair, because a person made that decision. The state of the relationship still matters, and holding both is the difference between understanding and excusing.

• End the contact. One message, with your partner present if they want to be, and where contact has to continue it is minimal, practical and visible.
• Hold the decision. Agree that no decision about the relationship is made in the first weeks.
• Contain the conversation. Talk about it once a day, at a set time and for a set length, and never at midnight.
• Take responsibility without defence. Answer honestly, and make your life as visible as the 2 of you agree.
• Keep 2 questions apart. Why the affair happened and what the relationship was like are separate questions.
• Expect it to take long. Guilt is private and asks nothing of you, while repair is external and the timetable belongs to your partner.

Separating is a decision and deserves as much care as staying. Read more about affair recovery and divorce therapy.

These steps fail when the 2 of you are unable to hold one conversation without it ending badly. That is what the session is for.

Questions people ask

Does a marriage survive infidelity?

Many do, and many do not. What separates them is whether the contact stopped and whether responsibility was taken without defence.

Should I tell my partner about an affair that is over?

No rule fits every case. Ask whether you are telling them for their sake or for your own relief.

How do I stop thinking about it all the time?

In the first months you mostly do not, and forcing it makes it louder. A set time each day when the subject is allowed gives the rest of the day some ground.

Is an emotional affair as bad as a physical one?

Many people find it worse, because the closeness itself was given away. Comparing the 2 is usually a dead end.

How long does recovery from infidelity take?

Longer than the partner who had the affair hopes, and nobody is able to give you a figure in months. Anniversaries and places keep their charge long after the rest has settled.

Sources

• Wang, W., Who Cheats More? The Demographics of Infidelity in America, Institute for Family Studies, 2018
• Stanley, S., Reasons People Give for Divorce, Institute for Family Studies, 2017

How this article was written. I choose the subject and the angle. An AI assistant researches and drafts. Nothing is published until I have read it, corrected it and stood behind every clinical statement in it. The professional and clinical judgement is mine and mine alone.