AITA for Refusing to Get My Sister-in-Law Pregnant?

A married father of two never expected a family favor to spiral into one of the most uncomfortable situations of his life. What started as a request to help his sister-in-law have another child quickly turned into something far more personal, far more invasive, and deeply unsettling for him.

As the pressure mounted, financial boundaries were questioned, marital trust was tested, and lines that should never blur inside a family began to disappear. The situation drew intense reactions across social media, with readers stunned by how far some relatives were willing to go. The twist lies in how this conflict didn’t just challenge his values, but forced him to confront long-standing patterns in his marriage and his own self-worth.

AITA for Refusing to Get My Sister-in-Law Pregnant?

The situation began as a seemingly medical request tied to family tragedy and sympathy…

I will keep this as short as possible. I (M35) married my wife (31) five years ago and have lived together for eight years. We had our first child 4...

Her sister (33) has been married for 7 years, and in that time had one child: a boy. After the birth of her child, her husband was in an accident...

My SIL and her husband approached my wife to see if I would be interested in donating my sperm in order for my SIL to give birth to one more...

My wife thought it was a great idea, and made the decision for me to proceed with the process without consulting me.

As doubts crept in, the emotional weight of blurred family roles became impossible to ignore…

I was against it at first, but I came around to the point where I was willing to speak with the fertility doctor,

but I let them know I was not saying yes at this point as the whole idea still seemed weird as my kids would essentially be half siblings to this...

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Well, after meeting with the doctor, it became very clear this was not an option as my SIL does not work and her husband only makes about 50 grand a...

Money entered the picture, and with it, resentment and entitlement…

They asked my wife and I to help offset the cost, but that was not an option I was willing to explore as I only make about 85 grand a...

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and we recently purchased a new home, are trying keep invest in college funds etc. It was a hard no from me, and my wife was okay with that,

but I think she would have found a way to get them some if not all the money. I told her she could put that decision on me, and she...

Well, my SIL was upset, and she called us selfish. It turns out my SIL knew we had quite a bit of money set aside in the kids college fund...

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and we both put away a lot of money that we eventually turned into college funds for our kids. We have roughly 45 grand set aside, which I don't think...

and we keep adding to it when we can. Anyway, a couple days go bye and things seemed to have calmed down, but my SIL then asked my wife if...

Then came the request that left him completely stunned…

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My wife was vehemently opposed to this at first but after her sister explained she wasn't attracted to me

and there would be no passion but just a means to an end, my wife thought it might be a good idea. To be clear, my SIL's husband is okay...

The aftermath forced him to confront deeper issues within his marriage…

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My wife I asked me to go ahead with it, but I refused. I told her they can adopt a kid out of foster care if they want another kid...

Now, my SIL is mad at me along with my wife as she believes this would just be a good way to help them have another child.

I am standing by my decision, and I have been sleeping in the spare bedroom since my hard no, but I am starting to doubt thinking I might be being...

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Edit one: The money is in a joint account that requires two signatures for a withdrawal, so my wife can't take the money..

Edit two: My SIL doesn't want to sleep with some random guy as in her mind and her husband's mind that would be cheating, but it is not cheating if...

I'm at work and will edit when possible but cannot possibly respond to every comment. I appreciate all the support as I felt strongly I was in the right. I...

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Edit three: Too all the people suggesting divorce, it has never been an option for me as I love my wife, but she seems to be easily manipulated by her...

Also, it is very expensive to get divorced and would be traumatic on my young kids. I have to think about my kids well-being..

Edit four: Maybe I should get snipped, but I haven't yet as my wife wants one more child and is hoping for a daughter..

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Edit five: My wife has always been manipulated by her sister. Their parents were much older when my wife and my SIL were born, and my SIL was supposedly always...

When their parents died, I think my SIL was even more domineering. We moved a town over just for some space, but it hasn't helped much.

I was an only child, so I don't quite understand the dynamic. I grew up pretty sheltered, but I had a good childhood and went to a good college where...

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Edit six: Too all the people asking if SIL is hot. She is big as she must weigh over 250 pounds. I guess she could still be considered pretty. She...

I was a cross country kid, and I've been able to stay in shape. My wife was a little over weight when we met, nothing like her sister, but she...

Edit Final: My head was spinning from all the comments, and I couldn't even read half of them as this seems to have attracted a little attention.

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I appreciate all the support and those who understood I was doing the right thing. My sense of right has become a little warped the last few years, and I...

Anyway, when my wife finally came home last night, she was visiting her sister with the kids, we had a talk, and it didn't go as I thought it would.

I knew I was in the right, but I have a difficult time standing up to my wife as she is the first and only woman I've ever been with,...

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I've come to the conclusion my wife will never be able to cut her sister out of her life, and it is clear her sister will always be in charge...

When I made the suggestion she do that, she just started yelling and breaking things like she always does as she knows I will back down at that point.

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I am not sure I can live like that anymore as she has broken a lot of my stuff over the years, and I always laughed it off as my...

This situation has opened my eyes. Maybe a divorce wouldn't be such a bad thing in the long run. This has given me a lot to process.

I've always considered myself a nerd, my parents always told I was one jokingly, but it was true, so I've never had much when it comes to self-esteem.

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I've let people run over me most of my life. I've come to realize I probably need to get into therapy. Thanks again for all the support!

Situations like this highlight how quickly family loyalty can slide into emotional pressure when clear boundaries are missing. The poster wasn’t simply asked for help; he was placed in a position where his autonomy, comfort, and marital trust were repeatedly overridden. That alone explains why his internal conflict grew stronger as the requests escalated.

From the sister-in-law’s point of view, grief and desperation likely played a role. Losing the ability to have more biological children can feel devastating. At the same time, emotional pain does not justify ignoring consent or financial realities. Wanting something deeply does not make it reasonable to demand it from others.

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Relationship expert Dr. John Gottman has often emphasized that “trust is built in very small moments,” especially when partners respect each other’s boundaries. When one partner repeatedly dismisses discomfort to appease others, trust erodes quietly but steadily.

Practically speaking, couples facing intense outside pressure benefit from neutral third-party support. Clear financial agreements, unified decision-making, and counseling can help interrupt unhealthy family patterns. In this case, prioritizing the wellbeing of existing children and the marriage itself may require distance, firm limits, and professional guidance to rebuild balance.

Check out how the community responded:

Many users immediately backed the poster, emphasizing consent and basic decency…

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bonbooni − Wanna bet if it's real they would make you pay child support at the end? NTA. If they're ok with SIL sleeping around, she can just go get...

Octuplicate − NTA. Don't let them force or guilt trip you to do something you are not completely on board and uncomfortable with.

This is completely innapropriate the way they are reacting. No means No and that was your final answer. You are also correct, they could find other options that they could...

Cinaedus_Perversus − This sounds too stupid to be fake, so I'm just gonna say NTA. You don't have to sleep with anyone. Especially not to impregnate them.

You're not obligated to pay anything, even if you had a million dollars. Your wife and in-laws are assholes for pressuring you into a plan as h__ebrained as this.

yeahyeahyeah6661 − Nta it's perfectly understandable that you don't want to be pimped out

Schafer_Isaac − NTA They can adopt. They can't afford IVF, and the SIL convincing her sister to let SIL sleep with you is gross. If she wants more kids, adopt...

Others offered criticism while still acknowledging how extreme the situation was…

[Reddit User] − This can’t be real. I’d divorce my wife if she ever agreed to that on principle

a-_rose − NTA they’re wildly inappropriate for asking and your wife even more so for saying yes without consulting you.

They are not in the financial or emotional position to be adding a child into their family let alone under these complicated circumstances.

Why on earth does your SIL know so much about your finances? Why should you put your own family out? Your priority should be yourself, your children and your wife.

WTF is wrong with your wife? Does she even like you? It sure as hell sounds like she doesn’t respect you. YTA if you give in to their ridiculous request.

Southernpalegirl − Just a suggestion but if I was you, I would move the money for your kid’s college fund to a different account that your wife has no access

or idea of because if she’s this insane then she’s not going to have a problem in giving them the funds regardless of what you say.

Petriskit − This is so glaringly fake lol "My wife is mad at me because I won't f__k another woman" Go fantasize somewhere else bro And if it's not fake,

why are f__king and IVF the only options? Jack off into a Dixie cup and hand her the cup and a turkey baster.

Constant_Cultural − Wtf is wrong with your wife? There are people pleaser and there is whatever she is.

Some readers leaned into dark humor to cope with the sheer absurdity…

Broad-Discipline2360 − Another thought. Bet your SIL and her husband will sue you for child support when they need money (which they do). Stay away from this.

Hell I'd even make sure I flushed condoms if you use them so that your insane wife doesn't give them to her sister. This whole situation makes my skin crawl.

sfrancisch5842 − What the f__k die I just read? NTA. You will be if you f__k your SIL to get her pregnant. And honestly? If it were me… I’d leave...

She’s fucked up and has no problem pimping you out. Jesus Christ they all need massive therapy. Edited for two typos.

PancakeRule20 − This has to be fake. There are 4 people here, they all are parents, and 3 of them are mentally unstable.

XBlackSunshineX − "Fertility Dr's hate this one simple trick"

Liconnn − Go get a vasectomy! Move the college money or make it require two signatures to access. Do NOT get her pregnant by any means.

This story struck a nerve because it touches on consent, family pressure, and how easily personal limits can be dismissed in the name of “helping.” While everyone involved carried emotional baggage, the situation shows how dangerous it can be when empathy turns into entitlement. In the end, the poster’s refusal wasn’t about cruelty, but about protecting his marriage, his children, and himself. What would you do if saying no meant shaking your entire family dynamic?

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