He was thinking "Momma is sleeping so I can get away with it. If she asks me why I did it, I'll tell her I didn't, the Ugg gremlins did it." Seriously though, I don't know why dogs or cats get it into their heads to tear something up. My cat didn't bother my little pillows on the couch for the first few months I had him, then one night he decided to tear into one of them like he does his catnip toys.
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