A guess? So we don’t have to think about when to use “who” or “which”! Apart from all “that,” languages change over time, especially when spoken. In the My spirit animal Is a grumpy Turtle who slaps annoying people shirt in other words I will buy this US, we often use interchangeable words like “who, which, that” because the sentences still make sense and everyone understands what you’re saying. I doubt that anyone actually judges you as speaking incorrectly if you mix up those words.
My spirit animal Is a grumpy Turtle who slaps annoying people shirt, hoodie, tank top, sweater and long sleeve t-shirt
If you are speaking of its personality I would take it to the My spirit animal Is a grumpy Turtle who slaps annoying people shirt in other words I will buy this vet and make sure it is healthy. Next I would check to see if something in its environment changed. Did you move? Is there a new person in the home? A new pet? Is there something outside that has changed? A new neighbor? Do some detective work to find out what is different in your dog’s life. Once you are able to pinpoint what is happening then take steps to either help your dog to adjust such as in training or if necessary remove whatever it is that is bothering it. As pet owners it is our responsibility to figure out what is happening with our pets and to fix it for them.