Are you as into Maru the cat as I am? When it comes to viral pets, I didn't think anybody could beat Boo the Pomeranian, but this mischievous box-obsessed kitty is some tough competition. Watch the hilarious video of him above to see this feline in action! This isn't the first time I've seen a cat with a strange fetish, so I'm wondering, what's your pet's obsession?
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