Ever since cosmo became a big brother to max ten years ago, he's known what his job was: to protect his boy and make him happy. Through many good years marked by tennis balls and pilfered turkey, torn-up toilet paper and...Ever since cosmo became a big brother to max ten years ago, he's known what his job was: to protect his boy and make him happy. Through many good years marked by tennis balls and pilfered turkey, torn-up toilet paper and fragrant goose poop, cosmo has doggedly kept his vow.