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AIBU?

Share your dilemmas and get honest opinions from other Mumsnetters.

To think a 29 year old should rise above a 22 year old and not argue with

22 replies

Vibted7777 · 23/01/2026 01:32

Two colleagues at work have fell out but I feel it’s odd with such an age gap to be such a deep argument. Aibu to think the 29 year old might immature.

OP posts:
CypressGrove · 23/01/2026 01:40

Nope, both are adults in the workplace and both sound equally immature to be having an argument at work that they can't resolve in a professional manner. If one was 19 and the other 12 it would be different.

OnlyMabelInTheBuilding · 23/01/2026 01:40

Both adults, both as bad as each other.

CrazyGoatLady · 23/01/2026 05:40

They are working adults, they should both be able to get on with working together as colleagues even if they dislike each other. Age won't come into if if they are pulled up by their manager/HR. I expect everyone in my team, no matter their age, to behave professionally.

TheHedgehogCannotBeBotheredAtAll · 23/01/2026 05:43

Personally I think it’s a bit immature that you’re judging them by their age. 🤷‍♀️

NoraLuka · 23/01/2026 06:10

Hopefully the 29 year old would be more mature than the 22 year old but they are both adults and should behave that way at work.

I don’t know if it’s just me but it sometimes feels like 20-25 year olds are seen as teenagers now, not adults, and so they behave accordingly.

Whaleandsnail6 · 23/01/2026 06:16

No, they are both adults and in a workplace.

22 is not a teenager or child and doesn't need allowances due to their age.

Both should be capable of acting professional and have disagreements appropriately. If they are allowing their argument to affect their work or the atmosphere in the workplace, they both need speaking to by management and mediation.

Meadowfinch · 23/01/2026 06:17

They are entitled to argue, although that shouldn't affect their work, and their ages are irrelevant. They are both adults.

I'm in my 60s and if someone tried to impose something on me that I disagree with, or expressed an offensive opinion, I'd argue too. Age has nothing to do with it.

Thepeopleversuswork · 23/01/2026 06:20

They are both being unprofessional. I don’t see what the age difference has to do with it really.

Need a bit more context though. What did they fall out over?

pictoosh · 23/01/2026 06:23

Seems a strange call to make...if you're 29 you shouldn't argue with a 22 year old colleague. Why not?

You're going to have to tell us more.

Pumpkinlit · 23/01/2026 06:24

This reply has been deleted

This has been deleted by MNHQ for breaking our Talk Guidelines.

tilypu · 23/01/2026 06:24

Way too little information to make a call.

Can't possible judge without knowing what actually happened.

Iocanepowder · 23/01/2026 06:27

Also wondering if you are the 22 year old tbh.

Age nothing to do with it sometimes.

I was once given an extra responsibility at work in my early 20s after 2 colleagues in their 50s had a big argument about when to go on their break.

Jellybunny56 · 23/01/2026 06:50

I don’t understand this stance to be honest, in the workplace I honestly don’t think age matters really, you are all working age adults. Are you never allowed to disagree with someone younger than you in the work place? I’m in my late 20’s and manage a team of people ranging from 20 to 56, can I only disagree with those who are older than me, not younger than me?

SemiSober · 23/01/2026 06:51

Vibted7777 · 23/01/2026 01:32

Two colleagues at work have fell out but I feel it’s odd with such an age gap to be such a deep argument. Aibu to think the 29 year old might immature.

Not if 22 year old is an entitled twat

cartagenagina · 23/01/2026 07:05

No. It’s just seven years. They are same age group in my book.

ColdAsAWitches · 23/01/2026 07:07

No. They're both adults. And if you're the 22 year old, grow-up! It's not the other person's fault, just because they're older.

IpsyUpsyDaisyDoos · 23/01/2026 07:24

I worked with a 19 year old more mature than some 40 year olds once.

If you're at work, behave professionally. Age doesn't come into it.

EmpressaurusKitty · 23/01/2026 07:54

It depends very much on what the argument was about.

FieryA · 23/01/2026 08:00

What's age go to do with it? And in what way was the 29 year old immature?

5128gap · 23/01/2026 08:22

Both immature to be falling out at work if it starts to become the business of colleagues. However, unless the older one is in a senior position with authority or mentorship, both are equal in the workplace. To pick sides between two adults, expecting higher standards of behaviour from one than another because of their age (rather than role or experience) would be ageism at work. So if you're their manager, tread carefully.

Pepperedpickles · 23/01/2026 08:30

Both in their 20s, a similar age. Odd to be concerned about this.

LeafyMcLeafFace · 23/01/2026 08:39

What if the 22 year old has stolen your mug?

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