Rick Reynolds, LCSW
by Rick Reynolds, LCSW
Founder & President, Affair Recovery

Why Did They Choose the Affair Partner?

"What in the world attracted you to her? You're disgusting!" Sandy screamed.

Across town a similar conversation was going on between John and Margret.
"Are you kidding me?" John said in disbelief. "You're having an affair with an alcoholic who barely scrapes by? Do you really think he has the ability to support you? He only makes a tenth of what I earn." And yet another conversation: “Frank, how could you do this to me? She's 25 years younger than you! She's practically the same age as our daughter! What in the world could the two of you have in common?"

Disclaimer: Before I even start this article let me stress that there's no way I could ever write something that will be able to fully answer why your mate chose their affair partner (AP). Why someone becomes involved in an extramarital relationship can't be explained in a few paragraphs. While reading, please don't assume you know your mate's motivations. I promise you'll always get part of it wrong as it's impossible to pinpoint another person's motives. I do hope, however, to give some general reasons for why your mate may have chosen that particular person.

In past articles, I've addressed the justifications and motivations of those having affairs; this week, I'd like to tackle why the wayward spouse chooses the person they choose. What is it about that woman or that man that would cause someone to risk it all? Is it intentional or just chance? This topic could be an entire book, but hopefully I can help shed a little light for you on the topic.

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The Missing 20%

affair recovery-ive always contented that people affair down if for no reason than because its an affair-its not real

I've always contended that people “affair-down,” if for no other reason than because it is an affair; it's not real. Even if they believe they've found someone who does a better job of meeting their needs than their mate, it simply isn't true. Their mate probably incorporates 80% of what they want and need, but their AP might possess the missing 20%. Why would someone trade the 80% for the 20%? In the moment, satisfying the longing created by the missing 20% seems like a good idea.

If two thirds of all marital problems are unsolvable, it's impossible for one person to meet all your needs. No amount of searching for the right person will ever yield the perfect match. Unrealistic expectations are a core issue when it comes to this degree of marital dissatisfaction, which may then lead one to search for someone who has the missing 20%. Take the example of John and Margret above. John is a steady, stable guy who provides for his family. His wife chose an AP who was just plain fun. She was chasing the 20% that she believed was missing from her marriage.

Seduction

Many won't like hearing this but, at times, the AP simply knows the right words to say. There are some "experienced APs" who've had serial affairs and are constantly trolling for their next victim. They are constantly casting a lure in the water to see if anyone will take the bait. That isn't an excuse, but if your spouse is insecure by nature, they are vulnerable to the person who knows how to say the right things to make them feel special. The person who takes the bait isn't a victim, they volunteer, but they do so because of how that person makes them feel. Leslie Hardie, the author of our Harboring Hope course, says "If you meet someone who always knows how to say just the right thing, run away as fast as you can." Someone that slick has had lots of practice.

Past History

Many affair partners are chosen out of past history. It turns out the attachments we form prior to marriage still exist at some level. When we reconnect with those individuals, rekindling past attachments is easy. The reasons why that relationship went by the wayside are long forgotten and the nostalgic feelings associated with days gone by make having an affair with that person simple.

Excessive Time and Familiarity

Many affair partners are chosen because of attachments created due to excessive time spent together in a shared activity that is absent of their mate. Online gaming, shared projects at work, serving together at church, or recreational sports might drive the affair. When time spent with another exceeds time spent with their spouse, choosing to connect with this individual can seem natural.

Authority Abuse

At times, the AP is chosen out of “magical thinking.” Mentors, pastors, therapists, teachers, and other authority figures are often chosen in this scenario. The respect and trust placed in this individual, as well as the hope generated by what they represent causes the potential AP to overvalue the relationship and an attachment is created. Magical thinking on the authority figure's part allows them to distort their mentee's respect and admiration and, through an abuse of their role as an authority figure, they take advantage of the mentee. This is called "authority abuse" and can be a criminal offense. In this instance, the AP chooses their victim.

Trauma Bonds

Past abuse can also drive how the AP is chosen. If there is unprocessed abuse in your spouse's past, they can be vulnerable to someone who treats them the same way as their original perpetrator. Choosing this type of AP is particularly confusing for the betrayed spouse because they can see the abuse and it makes no sense why their mate would hook up with an abusive person. In reality, the trauma bond compels them to choose someone with whom they can reenact the abuse.

Envy

Some choose their affair partner out of envy. They are drawn to characteristics in that person that they envy. Magical thinking causes them to believe that somehow connecting with that person allows them to possess those qualities. They tell themselves that being with that person somehow soothes the places where they feel inadequate. They think the AP makes them a better person.

Common History

There are times the AP is chosen out of common history or common circumstances. For instance, in cross-cultural marriages, an AP from their country of origin may give them the feeling of being understood. This can happen if two people grew up poor and felt ostracized, if both are children of alcoholics, or countless other "connections" they may find. The perception that this person “understands them” can draw them to the relationship.

Misery Loves Company

If the husband or wife begins commiserating with the AP about their miserable marriages, the validation they receive from telling the other person creates the bond for the affair. What's sad is this process causes them to focus only on the negatives in the marriage in order to justify the validation they are receiving from the AP.

The Willing Partner

Some individuals, as a result of sexual addiction – or because they've given themselves permission to stray for whatever reason – are looking for anyone willing to have an affair. Once they locate someone willing to interact with them, that person becomes the AP. The qualities they are looking for determine who that might be. For instance, if they just want sex, then they will hook up with someone who also wants to avoid attachments. Many relationships created on dating websites fall into this category.

Midlife Crisis

Those in a midlife crisis typically choose an AP who can help them feel young again. They are likely to choose someone who is 20 years younger than them. It's the youth and beauty of a person that makes them feel young again that drives their choice. They often are willing to be with someone much older as well.

This is not an exhaustive list and, as I said earlier, none of the above-mentioned items are excuses for having an affair! I do hope, however, that these descriptions provide some insight as to what commonly drives the choices made by wayward spouses. If you are the betrayed spouse and want help discerning and processing in a healthy manner why your partner had an affair, consider Harboring Hope. We'll walk though how you got here and help you learn how to take care of yourself in your recovery journey.

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Comments

Anwer might be found in this book

The book "Body keeps the score" do mention as to why this sometimes happens. Often childhood trauma makes familiarity a inherited behavior as the brain is not functioning as intended. Would highly recommend this book, as it do explain this in a much deeper way then what i could ever attempt to justify quoting. I myself have read most of this book to unravel as to why my ex wife was a massive serial cheater.

80/20

Just had a conversation with my WW about the 80/20 theory. I explained it as I understood it, and she didn't offer any objection. I then told her I feel that now we only have 20-30 percent. Meaning we have a 20 + year history and 2 teenage kids. But no longer have affection, desire, love, respect, trust with each other (some more on my side than hers). She gave up so much for that 20%, and it ripped so much from me. The "who" was covered in this article, serial cheater who knew everything my wife needed to hear. No enlightenment there but keep up the good work. All though we are headed towards divorce, your site and articles that are emailed have always given some value.

Lessons learnt from the past

Not willing to give up as a 50%*50% required for both to succeed I am willing to give my love to see you tomorrow morning standing as 1 we shall be 0cant be nothing else to each other

Type of affair

My husband had an affair in back end of covid 2020 12 months after celebrating our silver wedding gazing into each other's eyes all night. Through covid we was really happy, he went back to work had to work away 14 days then home for 3 nights then away again. Loving husband brilliant dad and grandad real family man. The job finished he worked local home every night then 4 days before our 26th anniversary I found out he had been having an affair not for long only about 6 to 8 weeks, his excuse was he felt we was in a rut! The whole world was in a rut we couldn't go anywhere, then he said he loved me but wasn't inlove with me! Typical excuse, then he loves me but not like he used to love me another excuse. Long story short is it love, lust or limerence? She's only a few years younger than him about 60 now 4 years on he's still with her but it's her house not his, he lost his daughter and grandson's over it for a few year's thankfully he is back in their lives and comes over for weekends on his own. I still love him with all my heart and I know he still loves me we are now divorced but for the past 18 months we have been seeing each other if he was truly happy with her he wouldn't even come and be with me. It's also true that he has definitely down graded, what goes around comes around. I still can't give up on him and even though we are now divorced I just want him to come back home.

Infidelity Trauma

I finally have a name for all this pain and suffering I am and have been going through for some time. Infidelity Trauma. My husband and I go back 48 years, The first time it should have been a warning but I was so much in love with him and starry eyed I did not get it. We was not married yet but living together for several moths. He would take off and go visit his Mother three hours away. Then one time he took me along. We had just gotten there and the door flew open and a young lady looked about 16 charged through the door. He was 21 then. She had a huge smile on her face until she saw me. Her smile faded, dropped her head and left. His brother was 16. Brother filled me in. They was dating, going to movies, out to eat. Number one. We continued and like a fool it went over my head and did not ask him about it. His Nephew lived six mile from us and suddenly he would there and not take me along. Claimed they was playing cards. His Nephews wife spilled it first. All of them including the Landlords wife had gone out to eat together. sometime later he told me ,"I have a girlfriend," I verified it on the phone talking to her. Number two.. As usual I went on as if nothing had happened. Then he bought propety in Virginia and was there from 1995 til 2000. He took our youngest son along down for the Summer and our son informed me how my husband and the neighbor woman who lived next door alone came when the arrived and they had a big argument. I gathered he did not want her there because our son was there. Number three. He moved back to PA in 2000 and later sold the place. Ous older son had put a Trailer on the farm for him and his young girlfriend to live in. However our son joined the Army and the girl was promiscious and having guys in and out continually. Our son came to the house in tears and said I just went in debt for my family and don;t have one. I drove him to get the bus when he left for the Army and the next day my husband moved in with her. I snuck back and forth and became a peeping Tom all the while begging him to move home. I saw through the Minnie Blinds him grabbing her by the butt. She bragged about her two Valentine meals. Number three. She had to eventually get the Police to help her move out. After all what young girl wants a over weight old man crawling all over her. So, He stayed in the Trailer and we started having Sex.However we got Divorced. He was surprised because I told him once the Divorce went through we was done. Two weeks after the Divorce he begged me to take him back. Suddenly he started hanging at the neighbors house every day and her husband was not at home. An older son said either her husband is dumb, can't get it up, or don't care. I decide to catch them and one day when he was there drove up to the house and did. That went on for maybe several years. The Neighbor and he husband got ill about the same time and she gave him the boot. I saw them driving down the road with her sitting in the Middle. So, time passed and we gravitated together as friends. This went on for about 10 years then suddenly we became involved again and Re Did our vows. I was hoping after he was alone for all those years he would have worked himself through this. We did not move together. I have my house and he got his Trailer. Then our son got married and he went after his wife. She came and told me he does not love you and only wants you for sex. She would tell me that over and over and I cried for a year. That went on for three years and she left our son. My Grand Daughter came to visit me about a year ago and said this, "Gram don't tell Pap I told you this." We was at the farm; Son, his wife, and Grand Daughter and Pap said," If blank knew how big his blank was she would leave our son in a minute for him." He did not add me to his Face Book account and last September my son whom I am on his account had posted a picture of family together and I went there to see it and discovered he was involved with an old girlfriend from school. It had gone on for over a year. He tried to deny it and said he did not see it but I did. He refused to do anything about it so we had a fight over it and did not speak for two months. Guess what he did? He went back out to the neighbors wife. He told me her husband is dying and they are loaded with money and got the biggest smile in his face I ever saw. Then he started to compare me to her. He said you remind me of her. I dropped my head. He said whats wrong your not talking? Must be something wrong. I left. However I had never confronted him about the affair with her. I saw her husband local and dropped hints. He said she needs company too. I did however after that left him a message on his phone and let him know I knew. He made a joke about it. I went to get my car inspected February 20, 2025 and my husbands name came up and the Mechanic affirmed everyone knew about the affair with the neighbors wife. and he said, "I guarantee you her husband knew about it." He would not tell me who told him. I am going to take you a little back up to add another part which is where we are now. We Re did our vows be five years ago July 9th 2025. He was pouring it on ( gaslighting ) me continually. I discovered he was hanging out at the local gas station for several years several days a week. Supposedly drinking coffee which he never drinks a home. So, I decided to check it out. and yes, that is his new stalking ground and yes, he is chasing there again. I decided to go there when he was there. He was sitting there by the coolers where women go to get items. I said to him "What did you want last night when you called?" He screamed at me,"I din't call you." See at home I was there to rub his back, give him sex, take him meals, out to eat, shopping together but he did not want anyone to know. He definitely is after his next victim the one cashier whom she and her husband are having marriage problems. He is having and affair. She was dating someone and back and forth. He is waiting like he always does for the right minute or maybe it has already happened. He talked about her with me and seems to know an awful lot about her. We are not talking now. Before about two months ago he said to me. "I know the woman I want and that is the one I fel in love with years ago and that is you." Another point. I talked with the neighbor lady on the phone several months ago. Sorta on a fishing trip.. I said to her," Did I tell you we Re Did our vows four years ago?" She went silent and could not speak. I had to call her name continually. Seemed as if she felt he had betrayed her and what she thought was not true. I figure he and he are waiting for her husband to die and get together but she realized he was not waiting on her as he promised. This when I decided to get help. At night when I lie down to sleep it all runs through my mine. I bounced him about the first one the young girl before I quit talking to him. He said,"why did you bring that up that happened a long time ago?" However what he does not realize to me this is all happening to me now. I can see the first girls face in front of me and all the rest now. I try to rebuke it at night when I lay down to sleep but it is still there.

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