According to top-secret canine sources, dogs are simply too busy being cute to join clubs. They have paws-itively no time for that.
But seriously, folks, it's because their membership requirements are, like, way too high for them. They need:
Yeah, good luck with that. No wonder they stick to just being part of the "Paws-itive Thinking Club" – it's the only club they're really good at.
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