PHOTOS: Five Reasons Why Your Cat Is Mad at You TodayJust another hiss of disapproval from your BFF (best feline friend). Click here to see more angry cats from I Can Has Cheezburger

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Updated: Tuesday Mar 19, 2013 | 06:00 AM EDT

YOUR WORST NIGHTMARE

You have five seconds to explain why you thought it was a good idea to interrupt my catnap.