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AIBU?

Share your dilemmas and get honest opinions from other Mumsnetters.

To be angry at ex hiding cancer diagnosis?

233 replies

PlainJaneBrain · 07/09/2025 16:06

After 25+ years together we’ve been separated for 2 and half years now but remained very close and dependent on each other not least as co-parents, but aside from living in different house and flat from each other, we probably usually spend more time in each others’ company than we did when we were together.

We saw less of each other over summer than we normally do and I thought that was just down to our holidays and the kids not aligning particularly well. But I found out on Friday that he was diagnosed with stage 3 prostate cancer at the end of July and has had several rounds of radiotherapy. He didn’t tell anyone except someone he works with so he could take time off (he’s actually self employed and told this other person so they could cover his work when needed). But he didn’t tell me, his own Mum, siblings or anyone else. I found out almost by accident (snooping in his post while at his flat). I ended up confronting him and he was just so bloody casual about it it’s really upset me and made me angry.

I wouldn’t mind but when we were together he was the world’s worst hypochondriac and now he’s like “it’s no one’s business and who cares anyway”. He’s lost quite a bit of weight and obviously lied to me about that saying he was dieting.

I know he doesn’t believe it but he still means the world to me and I’m gutted he doesn’t want me to go through this with him.

AIBU to think 1. He should have told me, and 2. He should keep me updated? We have two early teen kids.

OP posts:
LovelyLuluu · 07/09/2025 18:32

I know he doesn’t believe it but he still means the world to me and I’m gutted he doesn’t want me to go through this with him.

Was it his choice to divorce or yours?

If you still feel this ^ for him, why are you not together?

It sounds as if he's moved on and you've not.

Theextraordinaryisintheordinary · 07/09/2025 18:30

Sorry to hear he’s unwell. Poor man. Radiotherapy is such difficult treatment.

If he was for palliative treatment then I suppose you would expect him to discuss plans with you relating to the children’s future. However, he’s most likely having curative treatment and therefore, he may not wish to share this with someone who is no longer a priority in his life.

The fatigue will be difficult for him as he moves through his treatment but if this isn’t impacting on how he cares for the children then there are no issues here.

It’s so important to respect him and his right for confidentiality. Please be kind to him. I wonder if your anger around this is really your sadness turned outwards? Must be quite a shock for you. I did wonder what you were hoping to find in his mail in the first place.

Hope the children are ok in all of this.

Take care.

ArthriticOldLabrador · 07/09/2025 18:29

He’s your ex. His medical conditions are none of your business.

CinnamonBuns67 · 07/09/2025 18:25

That's disgusting that you've gone and snooped through his posts and your attitude is incredibly selfish. He probably would have told you and everyone else when he has come to terms with it. You should be more worried about what comes next for your ex and your kids potentially losing their Dad so young, which I believe is quite likely with a stage 3 and how they will cope not your feelings about not being told immediately. Yabvu!

NannyOggsScones · 07/09/2025 18:22

You’d never cross my doorstep again if you snooped in my post - shocking behaviour, no wonder you’re divorced.

DeeKitch · 07/09/2025 18:22

Do you want to get back together? X

outerspacepotato · 07/09/2025 18:22

I know why you're so angry.

Because he just showed you in the most major way that he's not nearly as close and dependent on you as you've been telling yourself. You're not separated. You're split up. He's distanced himself from you and that's why you were snooping, to find out why. You want to stay enmeshed and he doesn't.

Think about what you did. Of course he doesn't want you to go through this with him, you showed him exactly why not. You confronted a man with diagnosed cancer who underwent treatment and made it all about you. That's selfish and toxic and the opposite of supportive.

ShowMeTheSushi · 07/09/2025 18:21

YABU, he’s your ex. His diagnosis is his business, not your entitlement, and he doesn’t owe you medical updates. People with cancer often keep it private to cope on their own terms, it’s not about shutting you out, it’s about survival. Snooping in his post then getting angry isn’t concern, it’s control - and bang out of order!

SerendipityJane · 07/09/2025 18:21

After 25+ years together

Fuck knows how ...

GrandmasCat · 07/09/2025 18:21

PamIsAVolleyballChamp · 07/09/2025 16:08

Sorry, someone's dealing with cancer and your First thought is to centre yourself?!
And by snooping through his mail?!

You are awful, no mention of your poor dc and impact on them!!

This.

PinkyFlamingo · 07/09/2025 18:18

It's none of your business. It really sounds as if you are still really emeshed in this relationship in quite an unhealthy way.

Zov · 07/09/2025 18:18

I can't believe you have to ask if YABU. You could not BE any more unreasonable. Utterly repugnant behaviour. And as for opening his mail. I would lose my shit if my ex did that to me. (Even if my own DH did it I would be pissed off.)

Really @PlainJaneBrain ?! Hmm

Livpool · 07/09/2025 18:17

AnotherForumUser · 07/09/2025 16:20

That poor man. He is being treated for cancer and you are making it all about you. Fucking hell. He didn't tell you his PERSONAL medical information. You stuck your ugly beak in and snooped. You are a total red flag zone. No wonder you are separated. I suspect "close and dependent" is shorthand for still having your toxic talons stuck in him It's a miracle he got away from a narcissistic control freak in the first place.

Agreed!

OP sounds awful - really bad. Your poor ex. It is HIS illness so up to HIM how HE deals with it. I would be furious with her

whitewineandsun · 07/09/2025 18:16

NeverDropYourMooncup · 07/09/2025 18:05

Well. you didn't tell him you'd been fucking somebody else until it suited you to do so, seems fair enough that he doesn't tell you he's got cancer until it suits him to do so, really.

Fair.

ClarasSisters · 07/09/2025 18:15

Blimey. If you reacted like that (and snooping through his mail, wtf?!) I bet he's glad you're his ex.

Elsvieta · 07/09/2025 18:14

If you're in love with him (sounds like it), be with him. If you're not (or you are but he doesn't want to get back together), stop snooping, stop being "dependent" (sounds like you're dependent and he's not, from this), and make a clear break. Just communicate about the kids, and stay out of his house. You're a couple or you're not. If you're regretting your choices now, don't make him pay for it; he has enough on his plate.

Remingtonsteele · 07/09/2025 18:13

kkloo · 07/09/2025 18:11

What a completely disingenuous and silly comment from you!!

Personally I wouldn't tell my ex because he's not involved, and if anything happens to me I have my friend down as legal guardian in my will.

But in a close co-parenting relationship (which I previously had with my ex) then yes I would tell him and expect him to tell me. And it would be the norm for people to do so.

I coparented. I wouldn’t tell my ex - and I haven’t.

kkloo · 07/09/2025 18:11

Luxio · 07/09/2025 17:12

What a silly comment. Why would anyone need to tell an ex their personal medical information. The kids are teenagers not little children.

What a completely disingenuous and silly comment from you!!

Personally I wouldn't tell my ex because he's not involved, and if anything happens to me I have my friend down as legal guardian in my will.

But in a close co-parenting relationship (which I previously had with my ex) then yes I would tell him and expect him to tell me. And it would be the norm for people to do so.

DeeKitch · 07/09/2025 18:10

NeverDropYourMooncup · 07/09/2025 18:05

Well. you didn't tell him you'd been fucking somebody else until it suited you to do so, seems fair enough that he doesn't tell you he's got cancer until it suits him to do so, really.

🍿

ShelleyCarpenter · 07/09/2025 18:10

You sound awful, I’m not surprised you’re his ex

Hatty65 · 07/09/2025 18:09

I know he doesn’t believe it but he still means the world to me and I’m gutted he doesn’t want me to go through this with him.

I mean this, allied with the fact that you went through his private post demonstrates that you are the stalker ex from Hell.

I'm not surprised he doesn't want to share his cancer diagnosis with you, or have you 'support' him through treatment.

mmmarmalade · 07/09/2025 18:08

It's a privilege to be accepted into someone's life at times like this. You are not together for reasons you haven't specified. You have no right IMHO to expect to be included in the list of people he wants to be a part of this time in his life. Even if he's weaponising his illness against you... it's his life and you're not as big a part of it as you think or would like to be. I speculate that he's harbouring a very negative feeling about you for some reason... but I could be wrong... he may just want to be very private about this... you should know him after all this time - what's your take on it?

Coffeetime25 · 07/09/2025 18:08

yu are crazy his body his illness his choice maybe he didn't tell you as he knew what you where like and he didn't want any drama he is under enough stress without you making a song and dance about your feelings

Letsgoroundagainnow · 07/09/2025 18:07

I ended up confronting him and he was just so bloody casual about it it’s really upset me and made me angry.

This statement is the most selfish, self centred thing I’ve read for a long time! It’s upset you and made you angry….. what about your ex?

AnAlpacaForChristmasPleaseSanta · 07/09/2025 18:06

I’m gutted he doesn’t want me to go through this with him.

Can't for the life of me think why that might be OP.

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