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AIBU?

Share your dilemmas and get honest opinions from other Mumsnetters.

To tell stepson’s girlfriend she’s not sleeping over again after what I walked in on??

598 replies

AutumnMum28 · 30/09/2025 14:10

DSS (17) has had his girlfriend over a few times now, I’ve been fine with it, they sit in the living room with snacks and films etc, nothing major. Last night OH was on nights and I went up early with baby (who doesn’t sleep 🙄). Came down about midnight because I’d left washing in the machine and nearly had a heart attack when I walked past the living room… let’s just say I saw FAR too much, blanket half on the floor, both of them half naked 😳 I honestly feel sick even writing this.

I didn’t say anything in the moment, just stomped upstairs, but now I feel so uncomfortable in my own house. I’ve got younger DC (10, 5, 17mo) and it just doesn’t sit right at all. He’s technically still in sixth form, under our roof, and I don’t want this kind of thing going on.

OH says “he’s nearly an adult, better they’re safe here than in the park” 🙄 but I don’t want my home turning into a hotel room. I don’t even know how to look her in the eye now, poor girl looked mortified too.

So AIBU to tell him she’s not sleeping over anymore? Or do I need to suck it up and accept it?

OP posts:
SqB · 30/09/2025 15:15

Not sure I could have a teen sleeping in the living room. I’d have to give the smallest ones the big bedroom, teen in the box room and go in the middle room with my partner. Or keep the children as they are and I’d go on the sofa. He needs privacy for sleep, study and time with his girlfriend.

farewellperformance · 30/09/2025 15:16

How does your DSS not have a room! Poor kid.

KTheGrey · 30/09/2025 15:16

Explain that he can’t do that in communal areas and can stay over at girlfriend’s. It’s not ok when there are littler kids in the house.

allthegrass · 30/09/2025 15:16

You decided to have a baby when you already didn’t have enough rooms for all the children you already have ? Put the baby in with you and your other two share surely ?

Stoneblock · 30/09/2025 15:17

I hope his Dad's educating him about how to avoid having more children than you can house.

Autumvibes · 30/09/2025 15:17

OP kindly, by not providing a private sleeping space for your 17 year old step son you’ve really created a situation which was bound to occur?

He needs his own room.

StewkeyBlue · 30/09/2025 15:17

Is he doing his A levels without even having s proper bed?

OP, honestly I think it’s time for a room re-jig.

Either turn the living room into his bedroom, properly, or else you have the living room and he has your room, or put the baby in with you… divide a room?

Anything to give him his privacy and study space.

roastedrapidly · 30/09/2025 15:18

You need to make a better plan, poor 17 year old needs his own space - how do any of the kids get their studying & homework done etc?

InTheMountainsThere · 30/09/2025 15:19

AutumnMum28 · 30/09/2025 14:31

No he doesn’t even have his own room 😩 that’s half the issue!! We’ve only got 3 bedrooms so DS1 has his little Lego shrine room, the 2 little ones (5 + baby) are crammed in the box room, and me + OH in the main. DSS has been on a sofa bed in the living room since he moved in full time last year. It’s not ideal but what can we do, can’t magic another room.

I haven’t spoken to him yet, OH just sort of shrugged and said “he’s nearly 18, leave him be” 🙄 which is easy for him to say when he wasn’t the one who walked in!! I feel so awkward I can’t even look at DSS this morning, he just sloped off to sixth form like nothing happened. Not sure if OH will actually say anything to him either tbh, he hates confrontation.

I just don’t know what the right balance is, like I get he’s nearly grown up but surely in OUR family living room when the little ones could come down any time isn’t on??

Wait, what!

Why aren't the ten and five year old sharing, teen in the smallest room and the baby in with you in the biggest bedroom?

Or if your ten year old cannot be asked to share for some reason, then you and DH on the sofa bed in the living room.

You can't put a 17 year old doing A levels on the sofa with no privacy and nowhere to study - he's got no chance!

poetryandwine · 30/09/2025 15:20

Hi, OP -

I think the ‘Lego shrine’ was a bit of humour and I am sorry people are focussed on that.

So, you and OH had settled into a 3BR before DSS moved in last year? And possibly before DC3. Nevertheless… Presumably something happened to cause the change in DSS’ living arrangements and he’s had to fit into your cosy household. All while he’s doing 6th form. His life sounds rather challenging.

If the living room cannot be made private (with a door) then it simply isn’t suitable for DSS. If it is private, I would still offer him options as suggested above.

Worst case, you and OH go into the living room. Either DSS or two of your DC get the main BR and take it from there. (If two DC take it, you and OH can use the box room as a dressing room)

Zempy · 30/09/2025 15:20

But at midnight, when he has his gf over, it’s HIS BEDROOM. Not your family living room.

Bringitonicancope · 30/09/2025 15:20

Lavender14 · 30/09/2025 14:55

"The amount of pressure on young people to start having sex at really young ages because they are told by peole like you it's normal and inevitable is actually disgraceful."

It is absolutely normal though. He's well within the average age for losing virginity and within the legal frame. This guy is mere months away from being deemed an adult so it's interesting you think sex isn't appropriate? Does something change in a couple of months when he turns 18 or do you think sex shouldn't be accepted for some adults either?

I'd say that shaming someone for having sex when they are legally able to do so and are in a presumably safe, healthy and consensual intimate relationship with contraception is disgraceful and very damaging. Imposing your values on a young person by shaming them, describing yourself as almost having a heart attack, stomping upstairs to make your discontent known passive aggressively, refusing to speak to him before he leaves for college in the morning or look at him, refusing to make eye contact with the gf and wanting to ban someone from their own home in reaction to them doing something they are allowed to do in three measly space you've afforded them as their "bedroom" is the definition of pearl clutching.

Essentially op and her dh have created this issue by refusing to create a proper private and dignified space for him.

Edited

Blimey, you make an awful lot of assumptions in your post.

I'd say that shaming someone for having sex when they are legally able to do so and are in a presumably safe, healthy and consensual intimate relationship with contraception is disgraceful and very damaging.

You know absolutely nothing about the young people's relationship. How do you know the girlfriend isn't been pressurised into sex?
Op doesn't mention contraception as far as I could see.
And the fact they are having sex in the family living room where anyone can, and did walk in is hardly responsible behaviour. It shows absolutely no consideration for other members of the household which includes very young children.
There is absolutely nothing wrong with parents not wanting their children to engage in sexual activity in their home. It is down to OP and her H to discuss what level of behaviour is acceptable in their home. Just because you have a laissez-faire attitude to sex and young people doesn't mean to say everyone feels the same. And to call someone a pearl clutcher is the usual MN jibe to someone who expects different standards of behaviour is their home.

TakeMeDancing · 30/09/2025 15:21

@AutumnMum28 my 6th former isn’t allowed to bring a shagging partner around to ours. I know it’s an unpopular rule on MN, but they’re our house rules. You can set whatever rules and boundaries you see fit for your own kids in your own house. No matter what others say on MN, we stand by our values and rules.

Loub1987 · 30/09/2025 15:22

You and your husband should either be in the living room or have the baby in with you. This is a really unfair set up for your step son and also the child that has to share with a one year old.

Im surprised that he hasn’t complained to you about walking into what is his bedroom in the middle of the night.

Ponderingwindow · 30/09/2025 15:22

If you allow overnights, you are condoning sex.
If he sleeps on the sofa, you need to apologize for invading his space. That is his bedroom and you had no right to be there.

I personally don’t allow overnights. It’s not because I’m against teen sex, but that is a whole different subject.

You have allowed overnights and the family should respect his privacy. There needs to be default off limits times when that section of the house becomes his and his alone.

poetryandwine · 30/09/2025 15:22

KTheGrey · 30/09/2025 15:16

Explain that he can’t do that in communal areas and can stay over at girlfriend’s. It’s not ok when there are littler kids in the house.

The living room is also where DSS sleeps, even though he lives there full time

Pricelessadvice · 30/09/2025 15:22

Poor lad needs his own room.
Is moving somewhere more suitable not an option?

TheatricalLife · 30/09/2025 15:23

The language is very telling isn't it? OUR family room, as if DSS isn't included in the "our". DS and his lego shrine bedroom, while DSS is on the sofa.
He's been on the sofa for a year! A whole year with no real private space at all. In that year, the OP and DSS dad could easily have had a bedroom rethink, or even at the very least invested in a temporary partition to give DSS a small portion of the living room for himself, even if he could just put it up at night with a decent airbed.
I can't imagine how shit it feels. I'd hope his dad feels crap about it, but he obviously doesn't or he wouldn't have his son in this situation.
As for him "sloping off" to college this morning-what was he supposed to do?!

allthegrass · 30/09/2025 15:24

The 17 year old was here i assume before the op and the 3 bedroom house so his father should have prioritised him a bedroom before he decided to have any more children. Unless he’s just turned up out of the blue homeless last year it make no sense

Dweetfidilove · 30/09/2025 15:25

I was with you to begin with, but I knew the thread would go to hell after your second post.

You can't send children back, but I'll type it anyway - folks need to stop having children when it's already difficult to house their existing children. It's bloody ridiculous and irresponsible.

I don't condone parents 'encouraging ' early sex as some do here; but it will happen.
You've encouraged his girlfriend sleeping over, and this is the shit that happens when horny, hormonal teenagers share bedrooms at nights.

tiredangry · 30/09/2025 15:25

AutumnMum28 · 30/09/2025 14:31

No he doesn’t even have his own room 😩 that’s half the issue!! We’ve only got 3 bedrooms so DS1 has his little Lego shrine room, the 2 little ones (5 + baby) are crammed in the box room, and me + OH in the main. DSS has been on a sofa bed in the living room since he moved in full time last year. It’s not ideal but what can we do, can’t magic another room.

I haven’t spoken to him yet, OH just sort of shrugged and said “he’s nearly 18, leave him be” 🙄 which is easy for him to say when he wasn’t the one who walked in!! I feel so awkward I can’t even look at DSS this morning, he just sloped off to sixth form like nothing happened. Not sure if OH will actually say anything to him either tbh, he hates confrontation.

I just don’t know what the right balance is, like I get he’s nearly grown up but surely in OUR family living room when the little ones could come down any time isn’t on??

You are so unreasonable - this boy who is 17 doesn't have a bedroom???????

He was therefore totally reasonable.

Your DH has had too many kids if he can't provide bedrooms for them.

You have no cause for complaint imo. All your younger children should have been in bed at midnight. Poor DSS. Just doing normal stuff for a 17yo and getting demonised.

Why do you feel sick at a small glimpse of 2 people over the age of consent having sex? Just forget it.

warmapplepies · 30/09/2025 15:25

So he was in his room and you just happened to walk past at midnight? Just tell him to keep the door shut next time.

This arrangement is hideous for him.

InTheMountainsThere · 30/09/2025 15:27

Spirallingdownwards · 30/09/2025 14:43

So in effect they were in his bedroom. As you had gone to bed then they actually had an expectation of privacy once that had happened. The only chat required is your apology to him for walking in on them when he was in "his bedroom".

This now given the context that the poor sod doesn't have a bedroom at all, anywhere , not even a shared one.

IAmThePrettiestManOnMyIsland · 30/09/2025 15:27

Bringitonicancope · 30/09/2025 15:20

Blimey, you make an awful lot of assumptions in your post.

I'd say that shaming someone for having sex when they are legally able to do so and are in a presumably safe, healthy and consensual intimate relationship with contraception is disgraceful and very damaging.

You know absolutely nothing about the young people's relationship. How do you know the girlfriend isn't been pressurised into sex?
Op doesn't mention contraception as far as I could see.
And the fact they are having sex in the family living room where anyone can, and did walk in is hardly responsible behaviour. It shows absolutely no consideration for other members of the household which includes very young children.
There is absolutely nothing wrong with parents not wanting their children to engage in sexual activity in their home. It is down to OP and her H to discuss what level of behaviour is acceptable in their home. Just because you have a laissez-faire attitude to sex and young people doesn't mean to say everyone feels the same. And to call someone a pearl clutcher is the usual MN jibe to someone who expects different standards of behaviour is their home.

'You know absolutely nothing about the young people's relationship.' Nor do you.

'And the fact they are having sex in the family living room' Which becomes her stepson's bedroom at night. OP was entering her SS space at midnight and saw something she didn't like as a result.

'Op doesn't mention contraception as far as I could see.' I'm sure OP isn't inspecting her SS penis to see if there is a condom on there nor asking the gf if she's on the pill... Frankly it's none of her business.

SunnyDolly · 30/09/2025 15:27

Zempy · 30/09/2025 15:20

But at midnight, when he has his gf over, it’s HIS BEDROOM. Not your family living room.

I agree with this. You’ve essentially wandered in to his bedroom at midnight, more fool you. I agree with your OH just forget about it, and don’t do it again. He’s 17!