I can see why this would seem needed to people and/or a great idea to some, and although it would be simple to add it into the game, I really don't think it should become a thing. This is because what if they have multiple dog characters but only one of them is a service dog? They would have to purchase the animal whitelist all over again, just for their second slot so they can have an ordinary dog to just RP out normal dog things.
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