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AIBU?

Share your dilemmas and get honest opinions from other Mumsnetters.

Colleagues keep using my milk!

438 replies

Immo8 · 16/01/2025 11:34

I don't want to sound petty as in the grand scheme of things, milk isn't an expensive item and maybe I should leave this be, but it's really starting to grate on me...

Work in an office with around 30-ish staff, the majority are on shift work including weekends so people are in & out a lot. I work standard hours 4 days a week. The company provides tea & coffee but staff bring in their own milk etc. I buy a large filtered milk every month as it lasts and I only have a few cups of tea a day so makes sense.

However, over the last 6 months or so, people will ask me if they can 'borrow' some milk. I would never say no to someone asking but they NEVER bring in their own milk or buy one to replace mine that they've used over the weeks...

Today, I brought in a brand new milk, name on it, placed it at the back of the fridge so hard to find, and I've just gone to make a cuppa and it's been opened without asking, and a 1/4 of it has gone!

How do I word an email to my colleagues (if people think I should) that is polite and doesn't sound too petty?

OP posts:
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6
devilspawn · 17/01/2025 09:21

This happened in my office but with someone's bread. He started charging £1 per slice 😂

DalzielOrNoDalzielAndDontPascoe · 17/01/2025 09:22

StScholastica · 17/01/2025 09:18

Our kitchen space at work has 40+ people using it and a tiny fridge. Honestly OP we'd be well pissed off with you bringing in a month's supply of milk.
Just get a chillies bottle and keep the milk on your desk or in your bag, it stays cold for a good 12 hours.

OP has clearly said that there's no shortage of space on the fridge for those who use milk.

I'd love to see the thieves' faces when they see the milk lock. I think that's the best way of (hopefully) bringing it home to them. For all they know, you might have started using a different container for your own convenience - but a lock comes right out and screams "Thief!" at the thieves!

PickledElectricity · 17/01/2025 09:22

DalzielOrNoDalzielAndDontPascoe · 17/01/2025 09:00

Are you in charge of getting the milk, though - to see how much is used?

You may well work in a place full of respectful non-CFs; but if you did have milk thieves, they'd hardly be open and obvious about it.

No the office manager sorts all that out.

Zone2NorthLondon · 17/01/2025 09:36

Don’t send email just creates drama and it’ll go on & on
Decant into metal water bottle , unlikely they’ll use that

zingally · 17/01/2025 09:43

biscuitsandbooks · 16/01/2025 11:41

Just bring your own in everyday in a flask.

Agree.

In cases like this, I always think to myself, "What's the easiest, least dramatic work-around?" And it's this.

As an aside, your milk lasts an entire month? boak.

KimberleyClark · 17/01/2025 09:53

DalzielOrNoDalzielAndDontPascoe · 17/01/2025 01:06

I would strongly advise NOT to set up a milk kitty.

For starters, some people will falsely claim they don't use it, and so won't pay into it. Others will agree to join in, but will constantly 'forget' to ever pay. However, because they are supposedly 'part of the milk kitty club', they will gladly help themselves anyway, without any hesitation.

Worst of all, the people who currently steal who do agree to pay - and actually do pay - will expect great 'value for their money'. So might others who join and pay who didn't previously steal it.

Because they are 'paying good money for their milk', many will go out of their way to maximise their usage. They may start drinking full glasses of milk/milkshake and/or deliberately having cereal every morning. You may well get some regularly filling up big cartons from the communal milk to take home with them - 'because they've already paid for it anyway, so it's silly to pay again for milk for at home'.

However much milk you buy, it will 'run out'; then, when it does, you or whoever runs the kitty will be 'thanked' for it by being blamed - at best for supposedly being lazy; or at worst with suggestions that you're pocketing the money yourself and not buying it, as you agreed and they trustingly pay you for (or should but don't).

Yep: the thieves will blame you for thieving, as a direct result of your actions to stop them from thieving. Do not do it.

Edited

Agree. There will also be people who because they are paying will think they should have their preferred kind of milk available whether that is full fat, semi skimmed or skimmed. And milk buying rotas don’t work either. There will always be someone who forgets it’s their turn or who says “sorry, couldn’t get milk today because x”

ScrimshawMacrahanish · 17/01/2025 10:13

Use a flask to store your own milk for five or six weeks. You must endure this temporary inconvenience while you train your thieves. Before the first week of flask usage, buy a small bottle of your preferred milk. Leave it somewhere warm until it has noticeably gone sour. Not horribly curdled and separated; just enough to fail a sniff test and make a drink unpalatable.

Place this bottle in the communal fridge. Make sure it has your name written on it. The thieves will quickly discover that it’s off and either discard it or begin to ignore it. Repeat this process over a few weeks until the thieves have made a powerful mental and visual connection between your small bottles of milk and it being off every time they try it. You must make sure that you use the exact same milk, bottle size, writing, and place it in the same place each week.

People are extraordinarily quick to learn to avoid things they find distasteful. In a short time your distinctive little bottle will become invisible - even repellent - to them and you can start putting identical small bottles of fresh milk in the fridge again, reasonably sure that it will be left unmolested.

Although tempting, adding laxatives is unlawful.

ChilledBeez · 17/01/2025 10:36

I'd have personally gone for the suggestion to decant half into a cooler container to store in the fridge. People tend not to use stuff when they aren't too sure what's in it, and don't want to take time sniffing a unknown liquid. Chances are there will be one horrid jerk amongst the free loaders that will be upset by your tactic and sabotage it.

SharpOpalNewt · 17/01/2025 11:02

DalzielOrNoDalzielAndDontPascoe · 17/01/2025 08:58

UHT is nasty, though. That's a bit like deliberately burning your house down just so that nobody can burgle it Grin

I mostly drink espressos at work so don't have it a lot.

PigletJohn · 17/01/2025 12:57

When I experienced something similar, I bought a lockable cash box, and put that in the fridge. It is not much bigger than a tupperware box.

I suppose you could also get one for your desk biscuits.

Flossflower · 17/01/2025 13:06

BTW, My Cravendale milk which is in a very cold fridge, has been open for 8 days and is definitely on the turn. It has a use by date of 25th January.

ArtTheClown · 17/01/2025 13:35

My milk (non filtered) seems to happily last a good couple of weeks in my fridge. I only get deliveries once a fortnight and I my milk is never off.

IamFamousIam · 17/01/2025 15:02

Do you work at a desk? Could you bring milk in a flask each day? You shouldn’t have to but it would solve the problem.

CluelessAboutBiology · 17/01/2025 17:16

herbaceous · 16/01/2025 13:13

Is there an outside possibility that people don't know the milk isn't provided by the firm?

If tea and coffee is, it's not illogical that milk would be too.

They may well all be utter bastards though. Equally likely.

I’m surprised that there are companies out there who provide tea, coffee and milk. Us public sector staff can only marvel at such luxuries!😃

Please nobody reply to say your company provides biscuits as well, I couldn’t cope with the jealousy!

FoxtonFoxton · 17/01/2025 17:45

CluelessAboutBiology · 17/01/2025 17:16

I’m surprised that there are companies out there who provide tea, coffee and milk. Us public sector staff can only marvel at such luxuries!😃

Please nobody reply to say your company provides biscuits as well, I couldn’t cope with the jealousy!

I do! I always make sure there are snacks available, and I get ice creams on the hot days in Summer. They work hard, it's the least I can do. I fully appreciate my employees.

wizzywig · 17/01/2025 17:52

I can't wait to read what the reaction will be in the office

canyouseemyhousefromhere · 17/01/2025 18:16

Label it with 'expressed breastmilk for @Immo8' might put them off.

InMySpareTime · 17/01/2025 18:18

Is "label it as breastmilk" the "cancel the cheque" of this thread?

fetchacloth · 17/01/2025 18:21

cstaff · 16/01/2025 11:42

Why doesn't your boss provide milk - that is the crazy part to me. Really tight fisted ??

In the public sector it's common for the employer not to supply staff beverages.
In my last place we had expensive vending machines to use but most office based staff had their own kettles and brought their own tea, coffee, milk etc to avoid using the over priced vending machines.

Isobel201 · 17/01/2025 18:29

FoxtonFoxton · 17/01/2025 17:45

I do! I always make sure there are snacks available, and I get ice creams on the hot days in Summer. They work hard, it's the least I can do. I fully appreciate my employees.

It was certainly a novelty when I started working from home in the summer and could grab a lolly out of the freezer to suck on whilst working. I'm in the civil service, so we'll never get that luxury.

Partylikeits1985 · 17/01/2025 18:34

My advice would be to put some laxatives in the current carton of milk that you have.

wtf

Ebeneser · 17/01/2025 18:46

I used to keep coffee creamer in my personal desk draw ( unlocked). Thought I was imaginig it going down so fast until I came into work earlier than normal and found some fucker helping himself.

WalmartWitney · 17/01/2025 18:58

Weyohweyoh · 16/01/2025 11:39

Spit in it and put a note on the carton stating that you have done so 😁

🤣🤣🤣

Allergictoironing · 17/01/2025 18:58

My work do supply milk - UHT in those little pots. But my fresh milk will still go missing if I bring any in, presumably because it's nicer than the UHT. I've eventually trained myself into accepting the UHT in tea.

It's a big single story building with a few tea points, and loads of staff from various different teams, so very hard to work out who's taking it. I happen to be at the 2nd lowest grade there (apprentice is the lowest), so among those with the least income. The bottle was always labelled with my name clearly in large permanent marker letters on all 4 sides and my initials on the lid.

asrl78 · 17/01/2025 19:05

Partylikeits1985 · 17/01/2025 18:34

My advice would be to put some laxatives in the current carton of milk that you have.

wtf

The reason some people do things like steal other people's milk is because they have an entitlement attitude that anything goes if they can get away with it. This attitude is reinforced every time there are no consequences for externalising costs. Tainting the milk with laxative will quickly internalise the consequences of stealing, and eventually they will take the hint that perhaps they should buy their own. The reason why the behaviour of the public in general has deteriorated (especially since the pandemic) is because of a combination of entitlement to externalise costs/inconvenience and no consequences for doing so.