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Detective Column

This column is the English version of a column written in Japan.

Disclaimer
This column was originally written in Japanese and has been translated into English for your convenience. Please note that the legal information and references discussed here apply specifically to Japanese laws and regulations. If you require legal advice or information relevant to your own country, we recommend consulting a qualified professional who is knowledgeable about the laws in your area.

Suspect Your Wife Is Cheating? How to Confirm Infidelity and Rebuild Your Marriage

Do you worry that your wife might be having an affair? Perhaps she’s out every weekend or coming home late from work, making you feel uneasy. Infidelity doesn’t always lead to divorce—some husbands don’t want to end their marriage, especially if they have children. At the same time, if your wife is cheating, can you truly forgive and trust her again?

In this article, we’ll explore how to confirm your wife’s infidelity and how to rebuild your relationship afterward. Use this guide to help decide whether to forgive, forget, or take other steps if you discover she’s been unfaithful.

How to Confirm Your Wife’s Infidelity

Confirming a spouse’s cheating requires caution. You must ensure she doesn’t realize you’re investigating her.

Check Her Belongings

Many people think checking a smartphone is the easiest solution, but modern phones have face or fingerprint locks, and even for a married couple, breaking into someone’s phone might be considered a privacy violation.

Instead, discreetly look through items like her wallet or bag. Some husbands have found surprising evidence this way—for example, low-dose birth control pills or receipts for condoms when the couple is no longer sexually active. Women who are cheating might carry such items to avoid suspicion at home. By checking belongings, you may discover traces she planned to dispose of later.

Examine Her Phone’s Lock Method

While you shouldn’t try to unlock her phone, just checking if the locking method has changed is safer. If you once shared passcodes but now it’s altered, or if apps like LINE are suddenly locked, that might indicate hidden communications with a lover.

See If She’s Buying New Clothes or Lingerie

When meeting a lover, women often dress up and pay more attention to their appearance. If your wife, who once paid little attention to fashion, suddenly has new clothes, lingerie, or more frequent makeup routines, it could be a sign. She may even hide new purchases to avoid your questions.

“Going Out with Friends” Might Be a Warning Sign

Excuses like “I’m going out with friends” or “I’m heading to a café” can mask dates with a lover. You might message her during these outings to gauge her reactions. Women are skilled at creating plausible excuses, so don’t rely solely on her stories. If still suspicious, check her belongings afterward. A receipt from a strange restaurant or store can offer clues. Searching the name online might reveal something unexpected.

Ask the Children (Cautiously)

As a last resort, you could subtly ask your children. Sometimes, a cheating wife confides in the kids or even introduces them to the lover if she’s considering divorce. Be careful not to alarm your child or let them warn their mother. Some husbands have learned about the lover’s home location or phone unlock methods from their children, but use this tactic sparingly and discreetly.

If Your Wife Is Cheating but You Don’t Want a Divorce

If you discover her affair but prefer not to divorce, consider these actions:

  • Show understanding of her feelings.
  • Implement measures to prevent repeated infidelity.
  • Sort out your own emotions and stay calm.

Figure Out Why She Cheated

It’s natural to blame her entirely, but anger alone solves nothing. Think about why she might have strayed.

Dissatisfaction with Family Life

Some wives feel unfulfilled at home, particularly if they handle most childcare and housework. Without feeling valued or appreciated, they may seek validation elsewhere. Before forgiving her, recognize that she might blame you for her unhappiness and use it as an excuse.

Sexual Drought (Sexless Marriage)

After pregnancy and child-rearing, many couples face periods of little to no sexual activity. If your wife is sexually frustrated, she might look outside the marriage for satisfaction. Reflect on whether you’ve neglected this aspect of your relationship.

Monotony and Boredom

Daily routines can become dull. Without variety or excitement, she may find the forbidden thrill of an affair appealing. While infidelity is never justified, understand that seeking new stimulation might have led her astray.

An Attractive Man Approached Her

Some women, especially those with less romantic experience, struggle to refuse a persistent, charming man. A “one-time meal” could turn into a full-blown affair. Consider recent changes—new hobbies or a new job often increase encounters with other men.

Resolve the Underlying Issues

Once you understand her reasons, clarify your own feelings. Do you genuinely want to continue the marriage, or are you only doing it for the kids or out of obligation? If you want to rebuild trust, address the core issues—boredom, lack of intimacy, dissatisfaction—and try new experiences as a couple.

Gradually Increase Communication and Intimacy

Problems like sexlessness and dissatisfaction can often be resolved by slowly improving communication and physical closeness. Don’t overdo it or try to overcompensate immediately; proceed gradually. Show empathy, and avoid revisiting the affair repeatedly, as it can hinder healing.

Draft an Agreement or Pledge

Even if you forgive her, you might fear she’ll cheat again. Consider creating a written agreement with your wife and the lover. Such a document can include compensation terms and a promise not to see each other again. Making it a formal, notarized “誓約書” (pledge) can add legal weight, ensuring future compliance.

What if Your Wife Wants a Divorce?

If the unfaithful wife wants a divorce, remember the concept of the “at-fault spouse.” The cheating party usually cannot demand a divorce. You, as the betrayed husband, have the decision-making power. Don’t simply yield to her requests.

What to Do When You Find Out?

If you confirm her infidelity, how should you act?

Women’s Infidelity Is Hard to Detect—Consider Hiring a Professional

Women can be adept at hiding affairs. If you find it difficult to gather evidence or the situation drags on, consider hiring a private detective or investigation agency. They can provide solid evidence for mediation or court, making it easier to settle the issue.

Don’t Confront Her Until You Have Concrete Proof

Though you may want immediate answers, confrontations without evidence often backfire. Wait until you have undeniable proof before raising the subject. This prevents her from denying everything and complicating the situation.

Once She Admits It, Don’t Overly Blame Her—Solve It as a Couple

If she confesses, avoid excessive accusations. Instead, understand why it happened and work together toward a solution. While she is at fault, a collaborative approach to rebuilding the marriage is more constructive than placing all the blame on her.

By following these guidelines, you can navigate the difficult aftermath of discovering your wife’s affair and potentially restore your relationship or find a peaceful resolution.

Japanese Detective Column