Cats. Although I can't have em because my sister is allergic, I hate dogs as they always go doo-doo on the floor. Even after PT, they STILL do it (Litter Box FTW). Cats are more friendly, they may scratch and bite, but dogs TACKLE you. One time, I had a dog that nearly knocked me out. Also, dogs are very irresponsible. They don't do anything.
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