AITA for not adopting my wife’s child?

Imagine a marriage stitched together after infidelity, where a man plays “fun uncle” to his wife’s son, born from a one-night stand. For five years, their deal holds: he’s a step-parent, not a dad, and won’t adopt the boy. But when she pushes for more, urging the child to call him “dad,” the fragile truce shatters. Spurred by Reddit, he packs his bags, files for divorce, and walks away, free of legal ties but haunted by the fallout.

This Reddit saga is a raw unraveling of trust, boundaries, and a child caught in the crossfire. Was his refusal and exit a stand for honesty, or a cold abandonment? It’s a story that burns with betrayal and the cost of unhealed wounds, pulling readers into a moral maze.

‘AITA for not adopting my wife’s child?’

This Reddit post lays bare a man’s struggle with a role he never chose and the marriage it broke. Here’s his story, unfiltered:

I (27M) used to have a wonderful relationship with the woman I love (26F). However, five years ago, she got drunk, had a one night stand, and got pregnant from it. Can't be mine, I can't have kids due to a horseback riding injury when I was a teen. Didnt get the guys name, no way to find him, so he's out of the picture.

My wife decided to keep it, and we almost went through a divorce, but couples therapy made us decide to try again. We're still in therapy now, since I still have a hard time trusting her. So, she had her son. We talked a lot about it, and I made it clear that I'm ok taking on a step-parent role, but I wasnt willing to fully be his dad.

I wouldnt adopt him, but I would help raise him and get him off to college. My wife agreed to this, became a stay at home mom so she could take care of him with help from her parents, and I've pretty much been the fun uncle like guy. I play with him, buy him games, try my best to not resent him (and I am in therapy for this), and mostly just stay out of the way of my wife's parenting.

He even calles me 'Uncle,' instead of dad. He knows I'm not his father, and is just happy to play video games with me and chill. Well, recently, my wife has started talking about me adopting him, something I'm not willing to do. I made it clear that if anything happened, he would go live with her parents, and I'd send child support.

If they couldn't take him, I wouldnt put him in foster care or anything, but I also wasnt willing to take on the responsibility of being his father when I'm not. I'm happy being an Uncle to another man's kid, since thats what life threw at me. This has greatly upset her, and she's trying to find a way to force me into adopting him.

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She's even been manipulating the poor kid, saying he should start calling me dad instead of uncle like he has his entire life, which is upsetting and confusing the poor boy. This situation has worked for the last 5 years, and I dont know why she's trying to change something that isnt broken, or force me into a role I told her years ago I wasnt willing to accept, which she was fine with until just recently.

[Update] after reading everything, I told my wife I was leaving and pursuing that divorce. I think I've been ready to do so for a while, but just needed the push. This has led to a complete melt down, but I stayed firm, packed everything up, and moved in with my brother across town. I have already contact the landlord to tell him I would pay for 2 more months rent.

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After that, everything needs to be switched to her. Talking to my lawyer, it was verified that, due to the process I went through after the birth to establish I wasnt the father, I would not have to pay child support or alimony, which is something very rare and uncommon anyway where I live. He's already working on the paperwork. No idea when it'll all happen, but once it does I'll cut full contact. My wife has tried to call and text multiple times, but I've refused to talk.

This marital collapse is a stark lesson in unresolved trauma and mismatched expectations. The man’s refusal to adopt stems from lingering pain over his wife’s infidelity, compounded by his infertility, making the child a constant reminder of betrayal. His “uncle” role was a compromise, but her recent push for adoption violated their agreement, eroding trust further.

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Therapist Dr. Shirley Glass notes, “Infidelity’s scars require ongoing communication to heal; forcing new roles reopens wounds” (Source). A 2023 study in Journal of Marriage and Family found that 60% of couples post-infidelity struggle with boundary violations, often leading to divorce (Source). The wife’s manipulation of the child was a desperate bid for family unity but backfired, confusing the boy and alienating her husband.

His divorce decision, while abrupt, reflects self-preservation, but his emotional distance from the child—innocent in this mess—raises questions. “Children need stability, not resentment,” Glass advises. He could’ve sought mediation to renegotiate boundaries before exiting. The wife needs to prioritize her son’s clarity over her own agenda.

Check out how the community responded:

Reddit dished out takes as sharp as a lawyer’s pen. Here’s what the crowd had to say:

ShmamBo88 − ESH. Everything about this is pretty terrible. Her cheating. You purposefully distancing yourself from the child, who is not yours through no fault of his own, not to mention you being the only father figure he's ever know. Dad's don't need to be blood. You all sound like assholes. Except the little one obviously, who I just feel so sorry for. Sort your s**t out for his sake.

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guiltyp − You may want to check with an attorney. Regardless of whether or not he is your biological child, you HAVE been raising and supporting him. Even if you dont adopt him, he's likely yours in the eyes of the court. That said....NTA. You had an agreement, you supported her decision to keep the baby, you worked through her infidelity. She wants to have her cake and eat it too.

IWatchBadTV − ESH This is a mess. You should not adopt a child you don't want. He should have a parent or parents who are enthusiastic. But you also are putting them in an bad position by planning to be present while demonstrating what I can only call a wedge between you and your wife where the child witnesses it.

But this is her fault as well. She entered an agreement that she might have assumed would be temporary. But she shouldn't have. And no child should be foisted upon someone reluctant to commit to parenting them.

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136win136 − ESH. First of all I totally sympathise with you and the position you’re in. Being cheated on sucks, and seeing your wife pregnant and then raising a child as a product of the cheating must be crushing. However when I think about what’s best for the child, who is the most innocent party in this, i feel for this child where 50% of his family unit is not completely committed to raising him and loving him.

I’m not saying you should be committed to him, it’s a big ask to raise someone else’s kids, but by staying in the position you are now, with 1 foot in the family and 1 foot out, I do wonder how much the child is affected now (if any) and how this will change in the future as he gets older and wiser to the family dynamic.

Crafty_Golf_6973 − Esh. You both suck. Get a divorce so she can find a new man who will love and respect her and adopt the boy. You resent them both. Move on.

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magstar222 − ESH. This is a gross situation. Poor kiddo.

namieamie − ESH. it’s sounds like your marriage ended five years ago and you guys are delaying the inevitable to the detriment of the kid. She sucks for cheating and now trying to force you into this role. You suck because like it or not, you’re in this role and you accepted this by staying married. You could have parted ways five years ago and not describe your marriage now as a “used to be wonderful” relationship.

CelikBas − ESH. It’s not the kid’s fault that he was born as a result of infidelity. If you weren’t willing to act as a father towards him (which would be perfectly understandable given the circumstances) then you should have gotten a divorce instead of raising the poor kid in a situation where the only father figure he’s ever known, functionally his stepdad, is distant and resentful towards him.

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[Reddit User] − YTA for how you treat this child. You should have gotten a divorce long ago. Your options should have been to get a divorce or fully accept this child and raise him as your own. This halfass role you're playing is a load of crap.

SubliminationStation − ESH. She sucks for cheating and staying when you clearly resent her child and trying to force a relationship. You suck for literally everything in this post. You never should have stayed with your wife if you weren't willing to raise her son as your own.

I can tell the contempt you have for both this kid and your wife just from what you've written here and I'm sure the kid is starting to pick up on it too.. You should divorce her and let her find someone who is willing to raise her son as their own.

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These Reddit opinions are as raw as a fresh wound, but do they miss the child’s long-term emotional stakes?

This story is a gut-wrenching mix of betrayal, boundaries, and a boy left in limbo. The man’s exit freed him from a role he couldn’t embrace, but his wife’s overreach and the child’s confusion linger. Could therapy have salvaged their deal, or was divorce inevitable? What would you do in a marriage strained by infidelity’s child? Share your thoughts—have you ever faced a partner’s push to rewrite your role?

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