Meet the Other Phone. Only the apps you allow.

Meet the Other Phone.
Only the apps you allow.

Buy now

Please or to access all these features

Relationships

Mumsnet has not checked the qualifications of anyone posting here. If you need help urgently or expert advice, please see our domestic violence webguide and/or relationships webguide. Many Mumsnetters experiencing domestic abuse have found this thread helpful: Listen up, everybody

BIL Text Me In Error-he is having an affair?

230 replies

Robertsmithsnan · 24/02/2026 06:48

I sent my BIL a message last week, my name starts with R.
Received a message at 7am, “R, you are the light of my life, I love you with all my heart”
He sent this to me by mistake.
The “R” person is someone he works with. What do I do?

OP posts:
thepariscrimefiles · 24/02/2026 16:38

Robertsmithsnan · 24/02/2026 14:23

She doesn't feel the same way.
They had been going on lunchtime walks. He developed feelings. He confided in her but she doesn't see him that way.
My poor sister.
Her entire world is crumbling. She is devastated. Honesty is the most important thing to her. She knows she can trust me.
I hate him. Her children are adults. She doesn't work. She has nothing. She can't /won't leave
I've offered for her to stay with me, she won't. They are tied financially.

Nothing physical happened and I believe that but he deleted all messages, if you have nothing to hide why do that.

Edited

If they are married, your sister would be entitled to 50% of any assets, e.g. the family home, any savings and pensions. However, if she doesn't work and the children are adults, she probably wouldn't be entitled to spousal support.

He sounds like a stupid old fool who has mis-read his relationship with his co-worker and blown up his marriage.

Does she really want to stay with him or is she just scared about being on her own with no income?

Sisterlove · 24/02/2026 16:43

Robertsmithsnan · 24/02/2026 14:23

She doesn't feel the same way.
They had been going on lunchtime walks. He developed feelings. He confided in her but she doesn't see him that way.
My poor sister.
Her entire world is crumbling. She is devastated. Honesty is the most important thing to her. She knows she can trust me.
I hate him. Her children are adults. She doesn't work. She has nothing. She can't /won't leave
I've offered for her to stay with me, she won't. They are tied financially.

Nothing physical happened and I believe that but he deleted all messages, if you have nothing to hide why do that.

Edited

With not being financially independent, she will end up taking whatever he does.

Maybe therapy would be good for her to work through her feelings.

Boomer55 · 24/02/2026 16:45

This reply has been deleted

Message deleted by MNHQ. Here's a link to our Talk Guidelines.

TheIrritatingGentleman · 24/02/2026 17:03

Without seeing the messages I wouldn't believe there hasn't been a physical affair.

If she told him on one of their walks she didn't see him like that, why would he then send her a message saying she's the light of his life and he loves her? Surely that's harassment and she could get HR involved?

Is the OW married?

AcrossthePond55 · 24/02/2026 17:05

@Robertsmithsnan

You did the right thing. Now it's up to DSis to take it from here. At this point just tell her you love her, you will always be there for her and she is welcome to stay with you. Then unfortunately you'll have to drop it and give her space. The one thing I'd stress and perhaps mention more than once is that she needs to see a solicitor. Tell her it doesn't mean she's going to 'do anything' or that you will encourage her to do so, it's just that she needs to educate herself as to what divorce may mean to her regardless of what she decides now. Offer to go with her as a second pair of ears. But if she reacts 'negatively, drop that too and perhaps raise it again once she seems to have digested things.

I'm sure you already know this, but say absolutely NOTHING about this to anyone else. It will be up to her if she wants to confide in your parents, sibling, etc.

Frugalgal · 24/02/2026 17:22

So your sister is now stuck with a man who says he loves someone else because she is financially dependent on him and doesn't have a job?

This is why a woman should never hand control of her life to a man.

Blondeshavemorefun · 24/02/2026 17:27

Robertsmithsnan · 24/02/2026 14:23

She doesn't feel the same way.
They had been going on lunchtime walks. He developed feelings. He confided in her but she doesn't see him that way.
My poor sister.
Her entire world is crumbling. She is devastated. Honesty is the most important thing to her. She knows she can trust me.
I hate him. Her children are adults. She doesn't work. She has nothing. She can't /won't leave
I've offered for her to stay with me, she won't. They are tied financially.

Nothing physical happened and I believe that but he deleted all messages, if you have nothing to hide why do that.

Edited

If an iPhone then you can get back deleted messages by clicking on recently deleted

FloofBunny · 24/02/2026 17:54

bigboykitty · 24/02/2026 12:08

Sorry for all the dickhead trollhunters on your thread. You didn't blow up your sister's life - he did that himself. If he's in love with someone else, she deserves to know and I would have done the same.

Exactly OP - your sister's husband blew up her life. How could you have kept something like that from her? You couldn't. She 1000% deserved to know. At least now she has the opportunity to find someone who doesn't love another woman!!! She deserves so much better.

FloofBunny · 24/02/2026 17:57

Robertsmithsnan · 24/02/2026 14:23

She doesn't feel the same way.
They had been going on lunchtime walks. He developed feelings. He confided in her but she doesn't see him that way.
My poor sister.
Her entire world is crumbling. She is devastated. Honesty is the most important thing to her. She knows she can trust me.
I hate him. Her children are adults. She doesn't work. She has nothing. She can't /won't leave
I've offered for her to stay with me, she won't. They are tied financially.

Nothing physical happened and I believe that but he deleted all messages, if you have nothing to hide why do that.

Edited

He says this woman is the light of his life and he loves her with all his heart, yet nothing physical happened? If anyone believes this, I have a bridge in Brooklyn to sell them.

BeaRightThere · 24/02/2026 18:17

This reply has been deleted

Message deleted by MNHQ. Here's a link to our Talk Guidelines.

Gowlett · 24/02/2026 18:19

OW doesn’t feel the same way… Sure, Buddy!

bigboykitty · 24/02/2026 18:21

This reply has been deleted

Message deleted by MNHQ. Here's a link to our Talk Guidelines.

I've reported you again. You've been deleted once already.

PinkyFlamingo · 24/02/2026 18:35

How do you figure it's your fault? Rather than your cheating scumbag BIL.

Laura95167 · 24/02/2026 19:19

Robertsmithsnan · 24/02/2026 12:04

This is my sisters husband.
He works with this woman.
This isn't a joke. The message was meant for his work colleague who's name starts with R (as does mine).
I replied I dont think my sister would be very impressed with your messaging another woman
I called my sister and told her. Sent her a screen shot.
He has deleted all messages, historic. She can't get them reinstated.
He told her he thinks he loves this woman. The OW wants nothing to do with him.
A total shitfest. I've blown my sisters life up

You didnt her husband did.

When she gets through this, and she will with your support she will know when it's hard youll be honest with her. And thats going to be really important atm.

Sorry your BiL is a pig

illbetheresunorrain · 24/02/2026 19:32

How old is your sister? Why she has nothing and no work. Who is buying her clothes at least? Her cosmetics?

PyongyangKipperbang · 24/02/2026 19:40

For those suggesting it didnt happen, its happened to me. Except in my case it was my own father that texted me in error.

No I didnt tell my mother.

Carla786 · 24/02/2026 20:38

AldiLidlDeeDee · 24/02/2026 08:11

They definitely do change their prose when having an affair!

I discovered my ex’s draft word doc on our shared computer many years ago that was littered with basic French terms of endearment. He hadn’t even studied French at school!

OP, screenshot the message and send it to your sister/sil. She needs to know so she can decide what to do before he tries to lie and make stupid excuses.

That's so weird. I'm sorry you had to go through that . 💐

Definitely I think OP's note could possibly be that...Hopefully it's a joke, but who knows?

FlamingoFloss · 24/02/2026 20:45

BalletSki · 24/02/2026 12:06

No. Your BIL blew your sister's life up

This. You did the right thing in telling your sister

user1492757084 · 24/02/2026 21:50

So, they have to sort it now.

Go to counselling - alone and together.
Him quit his job, perhaps, and definitely cease walking with women at lunch break.

And eventually abide by whatever your sister decides is best for her.

Sugarnspicenallthingsnaice · 24/02/2026 22:47

Robertsmithsnan · 24/02/2026 14:23

She doesn't feel the same way.
They had been going on lunchtime walks. He developed feelings. He confided in her but she doesn't see him that way.
My poor sister.
Her entire world is crumbling. She is devastated. Honesty is the most important thing to her. She knows she can trust me.
I hate him. Her children are adults. She doesn't work. She has nothing. She can't /won't leave
I've offered for her to stay with me, she won't. They are tied financially.

Nothing physical happened and I believe that but he deleted all messages, if you have nothing to hide why do that.

Edited

Did he go for a walk and have a heart to heart with this woman and discover his love was unrequited in between sending her (you) the text at 7am and being back home to sort out his marriage by noon? Presumably while they were both at work and he was also dealing with the fallout from the errant text? Busy morning eh.

Or did he have that conversation with her another day and then send the text anyway, already knowing she doesn't fancy him? Because that sounds like harassment.

SandyY2K · 24/02/2026 22:49

Horses7 · 24/02/2026 15:55

Your sister needs to speak with OW but if possible as a surprise so BIL can’t warn her what to say.
S has got to try and get the truth and I’m not sure she can trust her H to tell her the truth.

Why should she speak to OW? The OW isn't obliged to speak to her and she's already said she's not leaving, so what's the point.

Any betrayed spouse should direct their questions to their partner.

Asking the OW/OM questions gives them too much power.

MilanoCortina2026 · 24/02/2026 23:07

PersimmonsAreNotTheOnlyFruit · 24/02/2026 15:27

So, in essence, he has a crush on some poor work colleague who has no interest in him. Ballsy (stupid) call to text her that at 7am with no expectation of reciprocity.

Unlike many here, I would not automatically jump to this having to be marriage ending. That would depend on how he responds now.

He's effectively stalking the colleague.

Pistachiocake · 24/02/2026 23:08

exhaustDAD · 24/02/2026 07:00

I don't think it would matter to me which way he became my BIL. I'd screenshot it to make sure the message is saved, and give him a chance to a) have a reasonable explanation (willing to bet he wouldn't), or b) go to his wife to talk before I do.

Exactly. Still your family (and chose to be, marriage is a choice, blood isn't!) and their kid is still your niece/nephew, and the wife deserves to know, and if there's a perfectly good reason...he could have been texting another relative (strange message for a married man to send to anyone but his wife) or he's writing a play and just wanted his mate's opinion on wording (yes, of course).

ByQuaintAzureWasp · 25/02/2026 00:07

I would get his phone forensically analysed so I knew the truth ...

Daisey12 · 25/02/2026 07:19

ByQuaintAzureWasp · 25/02/2026 00:07

I would get his phone forensically analysed so I knew the truth ...

forensically analysed 😂 have you heard yourself? he’s not a terrorist!!