She Pointed Out Their Cats Had Worms, Now Her Boyfriend’s Brother’s Girlfriend Is Holding a 10-Year Grudge

She thought she was saving two beloved family pets from a parasitic infection, but she was wrong—at least in the eyes of her boyfriend’s incredibly defensive family. Pet-sitting is always a delicate dance of trust, boundaries, and responsibility, but pointing out a common parasite became the catalyst for a ten-year campaign of passive-aggressive hostility.

While looking after her boyfriend’s brother’s cats, she noticed a common parasite and decided to handle it discreetly. She left a polite note, some fresh-baked cookies, and even bagged a feline health sample for the vet. Instead of gratitude, she unwittingly ignited a decade-long firestorm of family insecurity. Curious how a helpful gesture turned into a lifetime ban? Read on to see how the story unfolded.

She Pointed Out Their Cats Had Worms, Now Her Boyfriend’s Brother's Girlfriend Is Holding a 10-Year Grudge

AITA catsat my bfs brothers cats, found out they have worms, told them, and now they're mad at me for it?

Our story begins with what should have been a straightforward pet-sitting favor, leveraging the author’s professional background at a cat shelter to keep two beloved family pets safe and healthy while their owners enjoyed a week-long holiday out of state.

About 10 years ago, my (33F) boyfriend's brother and his girlfriend went out of state for a week-long holiday. They asked if I could stay over while they were gone...

A few days in, I noticed that one of their cats had what looked like tapeworm fragments in the fur around his anus. I went picking through their litter boxes...

Hoping to handle the delicate situation as discreetly and politely as possible, the author decided to leave a thoughtful note along with some fresh-baked treats to soften the medical diagnostic news, never anticipating the explosive reaction it would cause.

At the end of the week, I wrote them a small note thanking them for the opportunity to spend time with their cats. I wrote something along the lines of:...

" "I noticed that they may have worms, but I'm not a medical professional, so don't quote me on that. " "I bagged some suspicious-looking poop in case you want...

I honestly had a great time with them. Apparently, this really pissed off the brother's girlfriend. She claims that I crossed a line and implied that they were bad owners,...

' I mean, that was one of the reasons they chose me in the first place, because I know how to interact with cats. They did end up taking the...

Even though a decade has passed since the incident, the embers of this perceived insult still burn incredibly bright, turning casual family dinners into a recurring battleground of passive-aggressive remarks and awkward confrontations that show no signs of stopping.

ADVERTISEMENT

Even though this was 10 years ago, the girlfriend still brings it up whenever we meet up for dinners with his family. She makes a big deal out of it,...

She insists that the cookies I baked for them were to make them feel bad and to bribe them into not being mad at me for telling them their cats...

She constantly tells me that just because I worked at a cat shelter doesn't make me an expert, but I've never claimed that. Most of my duties there were cleaning...

ADVERTISEMENT

I thought I was polite and well-intentioned in my note to them, and I didn't know how else to tell them about my suspicion that their cats had tapeworms. I...

Community Opinions

The Reddit community stood firmly behind the original poster, with a staggering majority calling out the girlfriend's decade-long grudge as completely unhinged.

u/frankylovee
This happened TEN YEARS ago?? Are all of you really still hung up on this???

ADVERTISEMENT

u/NKout NTA. Sounds like she feels guilty that her cats had worms and she’s projecting and making you the villain about it. Don’t let it get to you, it’s her...

u/The_Hylian_Queen
NTA she's only saying these things out of guilt and carrying on about it out of the attitude of doubling down in embarrassment.
I would just let it go.

u/AcanthisittaThat5746 NTA at all. I would be appreciative of someone who took care of my cats and provided me, gently (as you did), with a potential health issue. She was...

ADVERTISEMENT

u/Old_Bug4395
NTA. Tell this woman to stop crying about a 10 year old event.

u/LunaticBZ Have you ever heard the phrase always shoot the messenger? Because you delivered bad news therefore its your fault. You won't ever win, she'll always hold a grudge since...

u/Fickle-Goose7379 NTA - you did a good thing for the cats, she was a bad owner for not catching it sooner, especially as outdoor cats. The fact that she keeps...

ADVERTISEMENT

u/Emergency_Cherry_914 Start by having a conversation with your brother about her behaviour and how it makes you feel. Tell him that if she continues, you're going to say what you...

u/Jace_Enby_Devil Omfg she needs to get over herself. Cats get worms. It happens. Kittens almost always get worms at some point. Indoor cats can get worms (more rare but still)....

u/GoetheundLotte NTA, the next time the girlfriend brings this up, very publicly and loudly tell her off (and that she obviously is the epitome of nasty and toxic ignorance). And...

ADVERTISEMENT

u/maryqa The GF is obsessive and she reminded me of a carrot boy reddit story. It sounds nuts to hold a grudge over your note for 10 seconds, and to...

u/goblynn NTA. Pets are a commitment, including their health. You saw something, you said something, and you weren’t rude about it. If a pet sitter noticed something wrong with one...

u/aggressive_possum420
10 years is an awful long time to hold a grudge about something soooo stupid. WTF nta

ADVERTISEMENT

u/mycroft72
NTA.
The phrase that pays, is, "Well, not everyone should get to own a cat if they don't know how to keep it heathy".
Then, run!

u/Designer_Thought2907
NTA, time to start saying no to any and m future cat sitting requests

A few readers even suggested that the girlfriend's ongoing hostility is a classic sign of projection, warning the writer to stay far away from future pet-sitting requests.

ADVERTISEMENT

Navigating family dynamics can be incredibly tricky, especially when a past act of kindness gets permanently weaponized. While the author acted out of genuine care for the animals, the resulting ten-year grudge highlights just how deeply misinterpreted intentions can fracture family relationships.

Do you think the girlfriend’s long-lasting anger is fueled by unresolved guilt, or did the author cross a boundary by bagging the evidence? How would you handle a relative who refuses to let go of a decade-old misunderstanding in family relationships?

Share your hot take below!

ADVERTISEMENT
Share this post

Related Posts

Leave a Reply

Your email address will not be published. Required fields are marked *