AITA for refusing to care for a dog my wife brought home and unanimously decided to keep?

So a month ago my wife found a dog on the streets. It was raining and she sent me a picture of an ugly dog all muddy and said she was bringing it home to find it’s owners. We posted on the neighborhood apps, and took it to the local shelter, and they didn’t find a microchip, they told us they were at capacity, and gave us a leash for it and sent us home with no further guidance on what to do next.
We called all the shelters and rescue places in our area, and they all kept saying the same thing, “at capacity” and to “keep it for a few days” and keep trying to find it’s owners. On the neighborhood app no one offered help they just kept saying things like “poor baby” and “she chose you, so you should keep her”.
At this point it’s been a month, and my wife said if she doens’t find the owners she’s keeping her. I said I didn’t want a dog, but she said we were “keeping it anyway”. I told her she’d better do 100% of the work cleaning after it and the vet bills and food and grooming was coming out of her fun money, she agreed, but said i’d “warm up to her”.
Well I havent, and we’ve been arguing about the dog because she’s frustrated that I’m not cleaning up after it, even though i told her that would be the case. If i’m eating food and step away for a minute to the restroom or whatever, it’ll jump on the table and eat the food, then throw up, and I don’t clean the mess. The dog gets diarrhea, I don’t clean, the other day my wife got mad because she took the dog out, and forgot to bring her in, and I was in the living room hearing the dog bark and never let her in, my wife said it was “freezing” it was 59 degrees outside.
The last incident, the dog was on her period and my wife let her out of the kennel and she jumped on the bed and stained it all with blood. I told her to wash the sheets bcuz that’s disgusting, and she looked mad at me for telling her. She said I was being “cruel” and needed to start helping with her. I said no, that I had never agreed to keeping the dog and it’s 100% her problem.
AITA?
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