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AIBU?

Share your dilemmas and get honest opinions from other Mumsnetters.

Irritated by my sister in law since she started Wegovy?

191 replies

YourRealTurtle · 11/01/2026 18:00

Since going on it she has become utterly smug!!

Every meal is a lecture about portions, willpower and how easy it is if you just decide to be disciplined. She brings it up constantly and watches everyone else eat with a tiny smile. She posts mirror selfies and captions about finally respecting her body. If anyone mentions side effects or cost she waves it away and says excuses are a mindset.

The thing is I am genuinely pleased she feels healthier. I really am. I just cannot cope with the sanctimony. Family dinners are exhausting and I dread comments about my plate. When I gently asked her to stop she said I should be inspired not threatened. I'm not overweight and have never struggled with my weight.

AIBU to think this is insufferable and want some boundaries or should I just swallow it and nod along? I really want to tell her this can't continue and she needs to calm down and stop with the horrid attitude.

OP posts:
Planetmuff · 12/01/2026 11:21

This is becoming extremely common. Lots of my friends, family and work colleagues are taking GLP-1s and most talk as if they are working so hard to lose weight and they have developed self-discipline. Lots are lecturing and very annoying. Not sure what the answer is.

JacknDiane · 12/01/2026 11:29

WLI seems to be a real bone if contention with a lot of people. Why is she being sanctimonious now, when its clear the WLI have helped her? There's nowt wrong with using them but who cares, it doesn't make you a saint because you lost weight on them. And it doesn't make you a saint if you decide not to use them.

I wonder if men have these discussions?

MrsBridgetMcClusky · 12/01/2026 11:44

I haven't rtft, but just wondering if your sil is talking about this kind of thing on front of any children? I try to shut down diet talk in front of my children. There's a really good book which gives the reasons for this called Fat Talk:growing up on diet culture by Virginia Sole Smith. Sorry if I'm going off on a tangent.

SiberFox · 12/01/2026 12:23

I think this stems from a feeling of shame about her eating and not being successful about losing weight before and overcompensating for it by trying to present an image of willpower and health to others and mainly to herself. I’d just feel sorry for her.

Brightlittlecanary · 12/01/2026 12:28

Planetmuff · 12/01/2026 11:21

This is becoming extremely common. Lots of my friends, family and work colleagues are taking GLP-1s and most talk as if they are working so hard to lose weight and they have developed self-discipline. Lots are lecturing and very annoying. Not sure what the answer is.

I’ve 3 male friends on them inc my husband , I’d say yes, they do talk about how much they eat, their diet, and the meds, but they don’t judge others. Howver they do quite bluntly say to other overweight men, you should try them mate, that sort of thing,

CremeCarmel · 12/01/2026 13:03

Brightlittlecanary · 12/01/2026 11:11

Wow, if you can’t see it, then I’m not going to sit and spend ages going through the thread posting dozens of comments for you. Confused

I think you'll find that it is the sil who is spewing venom and making unwanted comments about people's food. Posters are reacting to that.

CremeCarmel · 12/01/2026 13:15

Brightlittlecanary · 12/01/2026 12:28

I’ve 3 male friends on them inc my husband , I’d say yes, they do talk about how much they eat, their diet, and the meds, but they don’t judge others. Howver they do quite bluntly say to other overweight men, you should try them mate, that sort of thing,

I think that this might be the downfall of the drug: that it gives people the false feeling that they have suddenly taken control of their appetite when it is in fact the drug. There may be a future crisis looming for people who don't want to take the drug for the rest of their lives - especially people who are relatively young.

Elsvieta · 12/01/2026 13:45

"I should be inspired to do what, SIL? Given that I'm not overweight and never have been?". And wait for the answer.

She deserves a very blunt response. "Willpower and discipline? Portion control? Well, yeah - that's what I've been using all along". Or "Yes, the willpower that comes in a pen is pricey, isn't it? Glad I don't need that".

Signed, a Mounjaro user who hasn't told a soul IRL and doesn't bore on about what I'm eating, or what anyone else is. I understand that to those who have always been a normal weight, it's not a thrilling novelty or an interesting topic of conversation. Dull.

YYURYYUCICYYUR4ME · Yesterday 15:07

I'd tell her that you are happy she's happy, but she is killing the joy out of of your life being sanctimonious about her pharmacy aided diet. So please stop and we'll go on as before!!

CarbootJunction · Yesterday 15:35

If she suffers the same side effects as Gemma Collins had, she'll soon be talking about pancreatitis instead.

Malasana · Yesterday 15:48

YourRealTurtle · 11/01/2026 18:00

Since going on it she has become utterly smug!!

Every meal is a lecture about portions, willpower and how easy it is if you just decide to be disciplined. She brings it up constantly and watches everyone else eat with a tiny smile. She posts mirror selfies and captions about finally respecting her body. If anyone mentions side effects or cost she waves it away and says excuses are a mindset.

The thing is I am genuinely pleased she feels healthier. I really am. I just cannot cope with the sanctimony. Family dinners are exhausting and I dread comments about my plate. When I gently asked her to stop she said I should be inspired not threatened. I'm not overweight and have never struggled with my weight.

AIBU to think this is insufferable and want some boundaries or should I just swallow it and nod along? I really want to tell her this can't continue and she needs to calm down and stop with the horrid attitude.

Ask her how much she pays per month to have discipline and willpower injected into herself. It’s easy to have willpower when your appetite has been drastically reduced!

Willpower is pretty expensive.

Malasana · Yesterday 15:51

YourRealTurtle · 11/01/2026 18:32

I think (for her) weight gain and weight loss are psychological. She was an emotional eater and I think she has some issues to work through. She isn't eating much but I think those things are still there. All the talk of discipline and willpower feels like things maybe she reflected on when she was heavier. It's odd but I can see why she is acting the way she is because she never addressed these issues.

If she hasn’t worked on the habits and emotions that have led her to overeat, the problems will still be there when she stops taking the injections and weight gain will be inevitable I’m afraid.

Pootles34 · Yesterday 15:54

Hopefully she's stopped going on by now since this thread is from January.

Brightlittlecanary · Yesterday 15:56

Malasana · Yesterday 15:51

If she hasn’t worked on the habits and emotions that have led her to overeat, the problems will still be there when she stops taking the injections and weight gain will be inevitable I’m afraid.

She’s clearly worked on her eating habits, none of us can guess on the emotions, including op and she hasn’t said if she’s coming off, she may stay on.

Fluffybuns88 · Yesterday 16:07

Weight loss injections are a different beast, whilst there's some amount of discipline I've never felt less burdened by food than when I was taking them, you don't think about food, you don't feel hungry it takes away a massive amount of pressure.

I've noticed that some people really feel insecure about this and feel the need to make out that they are putting in huge amounts of effort, because effort is praised and weight loss injections are not. They really make you realise just how consumed you were by food and some people have a really hard time processing that.

Don't get me wrong, you do still need to be disciplined and it's hard in different ways, but absolutely nothing like following a diet when you have a food addiction.

RestlessSnail · Yesterday 16:22

YourRealTurtle · 11/01/2026 18:16

She focuses on everyone's eating! It's almost like since starting the injections she's hyper focused on food. Probably because she is not eating very much!

If she were dieting without Wegovy that would make sense, as she'd have a lot of food noise.
But I thought part of the point of the injections was to reduce that🤔
Either way she sounds seriously infuriating!
I love @GrumpyInsomniac 's suggestion but however you do it it's definitely worth pointing out that the effect of weight loss drugs shows that weight management isn't simply about willpower and discipline. If it were she wouldn't need the drugs FFS! I wouldn't bother debating re side effects. She's decide it's worth it on balance for her and that's her perogative. Equally it's your perogative to have more roast potatoes without comment!

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