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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:
PersephonePomegranate · 30/09/2025 14:39

Halfaday · 30/09/2025 14:33

I knew the poor lad wouldn’t have his own bedroom

Just knew it

Always the case in these types of post, isn't it?

Can't magic up a bedroom, but one of the kids (OP's, of course) has a Lego shrine room.

PeachyKoala · 30/09/2025 14:40

You and your DH should be in the living room to allow DSS his own space! I can't believe you'd be so selfish to be honest.

Halfaday · 30/09/2025 14:40

PumpkinPieAlibi · 30/09/2025 14:36

Every day this site convinces me that I will never remarry if my husband dies. Blending does not work and it's the children who always suffer.

Completely agree

single parent of tween and teen here and not in a month of Sundays will I even consider bringing in another man to their family home. Let alone with kids. Shudder at the thought.

Bundleflower · 30/09/2025 14:40

SingingOcean · 30/09/2025 14:35

So where would be acceptable for him to have sex if not his “bedroom”?

This… poor lad doing normal things in what is essentially his bedroom.

Why can’t the youngest children share your room, you have the middle room and your step son have the smallest to himself? As long as he can fit a double bed in it sounds much better.
Assuming that by ‘Lego shrine’ you meant Lego themed bedroom. If I’m wrong and one child has a playroom whilst stepson is in the lounge then that’s awful.

YABU

Bumdrops · 30/09/2025 14:40

while this was horrid for you - I get that -
i feel really bad for your step son
im sure he hasn’t moved into this house set up lightly - as it must be awful for him, so the alternatives must have been worse 😢
he’s in sixth form and hasn’t even got a room …

Allthatshines1992 · 30/09/2025 14:40

pinkyredrose · 30/09/2025 14:36

Why did he move in with you when you didn’t have a room for him? Must be pretty miserable for him having no privacy. Can your other kids go in bunkbeds and stepson has the box room?

This is a great idea

ExposedCankles · 30/09/2025 14:40

PumpkinPieAlibi · 30/09/2025 14:36

Every day this site convinces me that I will never remarry if my husband dies. Blending does not work and it's the children who always suffer.

step children mainly

SomewhatAnnoyed · 30/09/2025 14:40

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 can bet YOUR LIFE if this was a daughter instead of a son your OH would not have the attitude of just leave her be - especially if he was the one walking in on the action.

Men are such fucking hypocrites

WhatWouldTheDoctorDo · 30/09/2025 14:40

I suppose technically he was in his bedroom if he sleeps on a sofa bed, had he left the door open?

can you look at the bedroom allocations? It sounds like you and DH in master, 10 year old in bedroom 2, 5 year old and baby in the box room, and a 17 year old with no personal space. Can you put the three youngest in the biggest room, you and DH take the second biggest, and let the teen have the box room?

Hedgehogbrown · 30/09/2025 14:40

So your kids who are very small have rooms, but a teenager who is not yours gets nothing for a year? Come on now. Shuffle the other kids around and provide a room for this boy. What was the poor fucker supposed to do? What did you think they were doing?

Halfaday · 30/09/2025 14:40

ExposedCankles · 30/09/2025 14:40

step children mainly

Mainly

but no child actually benefits from it.

ResusciAnnie · 30/09/2025 14:41

Jesus, agree, poor kid doesn't even have his own room. Your husband needs to provide better for the 4 children he has, unfortunately. That's the issue.

randomchap · 30/09/2025 14:41

Lotsnlotsoflove · 30/09/2025 14:39

I think you are being a drama queen. They are 17 - of course they are having sex! Just tell him to do it in his bedroom and not in the lounge. Making a big fuss over this and saying 'you feel uncomfortable in your own home' because a 17 year old has had sex in it is highly pearl-clutching behaviour imo. Grow up.

Edit to say: If you haven't given him a bedroom, what do you expect? He is almost an adult and entitled to have sex with his gf. If an older teenager is living with you, your job is to provide them with the space to live their life.

Edited

The lounge is his bedroom, he's sleeping on the sofa and has done for a while

Bumdrops · 30/09/2025 14:41

Lotsnlotsoflove · 30/09/2025 14:39

I think you are being a drama queen. They are 17 - of course they are having sex! Just tell him to do it in his bedroom and not in the lounge. Making a big fuss over this and saying 'you feel uncomfortable in your own home' because a 17 year old has had sex in it is highly pearl-clutching behaviour imo. Grow up.

Edit to say: If you haven't given him a bedroom, what do you expect? He is almost an adult and entitled to have sex with his gf. If an older teenager is living with you, your job is to provide them with the space to live their life.

Edited

He literally has no room
not even a proper bed
this poor lad must feel completely worthless

StampOnTheGround · 30/09/2025 14:41

That’s his bedroom not the living room, he’s 17 and needs his own space and of course at that age they’d be sleeping together.

MyDeftDuck · 30/09/2025 14:42

QueenClinomania · 30/09/2025 14:13

Tell them to keep it in the bedroom and not use the common areas.

This.
They are both over 16 so legally they can have we but I agree, romping on the living room rug with younger siblings in the house is out of order.

InMyShowgirlEra · 30/09/2025 14:42

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??

Why oh why do parents not think about ensuring they have adequate space for children before having children or moving in with people with children?

You have a responsibility to house your children and sleeping on a sofa bed isn't adequate. He needs his privacy, as has been aptly demonstrated by this scenario.

It's no longer just "your" living room it's also "his" bedroom now.

niftyfuss · 30/09/2025 14:42

Poor kid - must be awful to be 17 and not have your own space. Move the smaller kids in together and let him have his own room. The being caught post sex is really not the issue here/

Bumdrops · 30/09/2025 14:43

Bumdrops · 30/09/2025 14:41

He literally has no room
not even a proper bed
this poor lad must feel completely worthless

Sorry, I quoted before u edited !!
we are totally on the same page !!

ResusciAnnie · 30/09/2025 14:43

Also I'd assume this is pretty enormous year for him - 17, no matter what he's doing academically or work wise, it's gonna be a big one. Where can he go to study, relax, get some peace? Let alone have sex? Jeez words fail me.

Baby in with you. Other 2 share box room. Lego lives in living room. 17 year old gets a bedroom.

ARichtGoodDram · 30/09/2025 14:43

They are both over 16 so legally they can have we but I agree, romping on the living room rug with younger siblings in the house is out of order.

In this case the living room is his bedroom though.

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".

PeachyKoala · 30/09/2025 14:43

MyDeftDuck · 30/09/2025 14:42

This.
They are both over 16 so legally they can have we but I agree, romping on the living room rug with younger siblings in the house is out of order.

He doesn't have a bedroom, he's kipping on the sofa. Sounds like he has no privacy at all poor lad.

ramonaquimby · 30/09/2025 14:43

Oh that's so sad he doesn't have a bedroom

WatchingTheDetective · 30/09/2025 14:43

Does your step son spend any time at his girlfriend's house? Are they allowed to sleep together there?

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