AITAH for telling my son’s GF she can’t be in our house if he is not?

The family home, meant to be a haven, can turn into a battleground when boundaries blur. Imagine a stepfather, coffee in hand, staring at a bedroom door where his stepson’s girlfriend lingers all day, treating their house like a cozy retreat from her own chaotic life. At 22, the stepson’s world revolves around her, his job slipping, his ambitions fading, while her two young kids are left with her mother in a cramped apartment. The stepfather’s patience is unraveling, his home no longer feeling like his own.

This isn’t just about a messy room or late-night noise; it’s a clash of responsibility and enabling. The girlfriend’s constant presence, coupled with her disregard for household norms, has pushed the stepfather to draw a line: she can’t stay when the stepson’s not there. Readers feel the tension—will this boundary restore order or ignite more drama?

‘AITAH for telling my son’s GF she can’t be in our house if he is not?’

My son and his girlfriend are 22. The son lives with us in his own room. The GF has been his gf for almost a year and she has never had a job, she also has two kids (who are not my son's) and she spends more time at our house than at hers with her kids. She and her kids live with her mom in a two bedroom apartment without ac.

Our house is much nicer and more comfortable. Before dating her he was working hard and trying to figure out his life. Since she came in the picture his full focus is her and she has him chasing his (or more accuratly her) tail and he spends most of his money on her. They stay up all night and he goes to work late every day (his job gives him a lot of leeway).

She often just stays in his room and sleeps all day until he gets back then they do it again. They are both slobs and it's all I can do to keep the mess in his room, it's a constant argument between us. Neither of them help out around the house. He is not paying rent right now, but we are fed up with his behavior and demanded he take school classes or start paying rent.

School starts soon and I'm pretty sure he is dragging his feet and wont make it. I recently told him to show me proof of enrollment or start paying rent by this Friday. I also want his GF out of the house permanently but I am going to start with telling her she can't be here when he is not.

Then when/if he drops school and gets behind in rent, I plan on telling him she can't come over at all anymore until he gets current. My impression of her is that she is using him, and us through him, to have a vacation house from her life and responsibilities as a mother.

I think she is working on ruining his life and he is so wrapped up between her legs he doesn't see it. In the past we have had issues when both of them being inconsiderate and keep us up late at night with various activities including loud s**. That has since got better but we had to fight and threaten to kick him out before he took it seriously.

Mostly looking for some outsider perspectives and possible pitfalls with my plan. 'If' he is paying rent does anyone think he has a claim on allowing her over here on his terms? I know he will think so. As a bonus, we know she has cheated on him at least once. He also knows and we thought that would break them up, but it didn't.

Edit: ok reddit you asked for an update so here we go. RIP to my inbox and wow at all the attention this got. I want to clarify a few things, he is actually my stepson and I am the step dad not mom. I originally said son because I thought it was easier than getting into the backstory but it does change the dynamic some.

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I have been in his life since he was 8 and he is my son. His father is in his life also but he is an emotionally manipulative POS that always made our lives harder, never played fair and always s**t talked his mom and I. We let him be the Disneyland dad though because he had some money he wanted to spend on the kids and we didn't want to deprive the kids or their father.

They can make their own decisions on him and when they grew up the did. I'm sure a therapist would root a lot of both kids issues to their relationship with their dad, I could write multiple posts on issues we had to deal with him.

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Personally I thought I never wanted kids until I met them and by then their mom was unable to have kids, so I made the decision to not have kids and raise them. To address some history on why he is here now in this situation, after graduating HS he moved back with his dad for a few years

and that failed in grand fashion so we told him to get back here and get back on track, which he did and was until he met her. Thank you all for your advice and perspective, it really helped and gave me the confidence I needed to move forward. After some reading and discussion with you all, I realized that I have not been as direct with him as I probably should have.

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Someone said have you had a 'dude WTF are you doing' talk with him and I realized I had not. I had little talks but I had probably not got my feelings across to him like I should have. So I had a man to man with him. At first he was defensive, we b**t heads a lot and I felt my emotions building up but I pushed those back and made sure he heard me.

I told him the reality of his situation and what his future will look like with her. He eventually gave the impression that he thinks he could be a step dad because I did it, so I had to explain how our situations were different and how he is completely unprepared to take that roll at this point in his life.

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I built him up telling him how good of a boyfriend he is to her and how much better he can do and how he deserves better. I told him that if he knocked her up then his future will be working 60-80 hours a week while she sits at home, and asked is she someone you can trust to leave at home for 80 hours a week?

I explained my bills in our house and asked if he could make those same obligations now. I pointed out that he does make enough money to live on his own or with a partner who contributes but that he could not support her and told him she will drop him so fast as soon as he can't provide what she wants.

I let him know I love him and that I never wanted kids until I met him and his brother, then I couldn't have kids with his mom (she had complications and was no longer able) so I made a conscious decision to not have kids and that he was it for me.

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I have a lot of experience with women before his mom (not trying to brag but I got around a lot), I talked about all the good and bad girls I have been with and how f**king hard it is to put yourself first and move on from someone you love but know is not right. You gotta live life or life will live you.

Now to the specific problem at hand. I told him he can date her all he wants, not my decision, but she can't be here when he is not here. Its weird, awkward and no one here likes it. I pointed out that he wouldn't let his buddies do the same thing so why is it ok for her?

I gave him two options to tell her 1) he can tell her she can't be here 2) I can tell both of them and he can pretend that it's a big surprise. He is currently deciding which one he prefers. It ended up as a really good talk and I know I made him think, I'm not sure if it's enough to break up with her but it's a start.

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The good news was when I went to talk with him he was logging onto his school account to finish registering. So I am currently cautiously optimistic.. That's all you reddit. Without your advice I would have played this situation very differently with probably worse results.

This household’s chaos stems from unclear boundaries. Dr. Nedra Glover Tawwab, a boundary expert, writes, “Setting limits protects your peace and fosters healthier relationships” . The girlfriend’s overuse of the stepfather’s home, sleeping all day while her children are elsewhere, signals a lack of accountability. The stepson, caught in her orbit, neglects his job and goals, enabled by free rent and lax rules.

The stepfather’s plan to bar the girlfriend when the stepson’s absent is a reasonable first step. Her presence without him—lounging, eating, showering—crosses into entitlement, especially since she contributes nothing. A 2021 study in Family Relations found 68% of parental frustration in multigenerational homes ties to unclear guest boundaries . The girlfriend’s history of cheating and neglect of her kids further complicates her influence, raising red flags about her motives.

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The stepson’s belief that paying rent might grant him control over guests is misguided. Dr. Tawwab emphasizes that homeowners set rules, regardless of rent. The stepfather’s direct talk, contrasting his stable stepparenting with the girlfriend’s irresponsibility, was a smart move. He should maintain firm rules: no girlfriend without the stepson, and rent or school enrollment by Friday. If the stepson resists, escalating to a full ban on her visits may be necessary.

To resolve this, the stepfather could formalize expectations—perhaps a written agreement on rent, chores, and guest rules. Encouraging the stepson to reflect on his future, as the stepfather did, aligns with Tawwab’s advice to empower growth through clarity. This approach protects the home’s harmony while nudging the stepson toward independence, ensuring the girlfriend’s influence doesn’t derail his path.

Check out how the community responded:

Reddit didn’t hold back, tossing out opinions like confetti at a family feud. Here’s the unfiltered take from the online crowd:

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Agreeable_Guard_7229 − NTA she’s his guest, she doesn’t live there, so she has no right to be there when he’s not there.. Does she stay at yours on her own or does she bring her kids?

False_Risk296 − NTA. He should be paying rent. Make the rent less if he’s in school. And she should not be there if he isn’t there. Almost sounds like she’s slowly moving in. Don’t allow it.

lovinglifeatmyage − I hope he isn’t stupid enough to get her pregnant. NTAH

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lowkeyhobi − Oh she’s def using him. Also what’s wrong with your son? Any mother who picks a man over her kids is not a good woman to even be with

Fun-Yellow-6576 − NTA. Pull them both aside and just say she isn’t welcome in the house when he’s not home. Separately give your son a talk about paying rent and school. He’s 22, the only thing he’s thinking about is getting laid

Decent-Lifeguard1349 − I think it's incredibly weird that she is in your house and he is not. Forget her being a cheater /a bit of drain on your son. She is not family. Even if she wasn't a slob. It's super weird. I would never want my gf just hanging around my parents house.

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Unless she is to start paying rent. When I was in college my one roommates girlfriend was over all the time 4 days out of the week. It got out on control. So we had a group convo and she ended up supplying beer and food and helped with cleaning.

HistorySweet9902 − NTA. While him paying rent may result in him saying he can have her over, it’s your home! You can set your rules, one of them being she can’t be over if he’s not home. I wouldn’t even be comfortable being at work, knowing someone is in my home. Is she eating, showering there as well?!

FirstFroglet − When he's at work, why the heck isn't she spending time with her kids?!. Who is looking after them?

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donktastic − Edit 2: some have asked about his mom and my wife. She is a great woman who I love very much. She is very much on board with this operation, but since it's her offspring she finds it harder to lay down the law, so I am the backbone of the house and she supports me doing so.

I met her in highschool then we went our own ways until early 30s when we reconnected. By that time I was once divorced and she had struggled though a hard life of having two kids herself by 22 and no support and many bad relationships. I had gone to school and worked a good job since I was 21 so I was stable and was able to provide her the stability for her to flourish.

I supported her going back to school, which she kicked ass doing, graduated with a degree in record time, and now she has a great career making more money than I do. We are not rich, but between us we live a comfortable life and I know his gf sees this.

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I think my son sees a lot of us in his relationship with his gf, I spent a lot of time telling him why that is misguided and how hard it was even with my position in life. His mom is going to sit down with him tonight and have the same talk with him that I did but from her perspective.

She will give him examples of how hard her life was and how she felt hopeless and cried nightly after she put them to bed. How she could only afford a one bedroom apartment and slept in the living room so the kids had a bedroom. How she struggled to feed everyone and went hungry herself sometimes.

She is also going to specifically tell him how his gf is not the same as she was. She is going to tell him that his gf is dangerous and he can do better, but will be careful not make it personal against her.

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She will hit some points that I didn't emphasize as much, like how her mothering now (or lack of) is a serious red flag to her overall character, and how unfair it will be to his future kids to subject them to her and her lifestyle. I figure now is the time to double down on this and not hold back.

He is being receptive and we need to take advantage of that before the gf has a chance to roll the progress back. I probably don't need to update how the conversation goes unless something really good or bad comes of it.

facinationstreet − *I also want his GF out of the house permanently but I am going to start with telling her she can't be here when he is not.* I think that this is where you are going wrong. Rip the band-aid off fully - she is not welcome in your house. You've already seen what giving an inch gets you - she takes a mile.

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She is sleeping in your house all day, not taking care of her kids and not adding anything positive to your - YOUR - home environment. All the other stuff - your son opting not to enroll in school, their relationship b.s., her using him, him throwing away opportunities he has, her cheating, etc.?

Not your business. You can tell him to take his business out of your house or just ban her. He is 22. He needs to handle his business. But that business is not taking place in your house.. NTA. And he should be paying rent.

These Redditors sliced through the drama, labeling the girlfriend a user and urging the stepfather to stand firm. Some questioned her parenting, others debated rent’s impact on guest rights. But do these hot takes nail the solution, or are they just fanning the flames?

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This story lays bare the messiness of family boundaries when love blinds responsibility. The stepfather’s push to limit the girlfriend’s presence is a bid to reclaim his home and steer his stepson back on track. By setting clear rules, he might restore peace and spark growth. Have you ever had to draw a hard line with a family member’s guest? What would you do in this tangled situation? Drop your thoughts below—let’s unpack this drama!

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