Cats are capable of stopping a dog dead in his tracks no matter how badly he wants past. If a cat happens to sit on the stairs, in a doorway, or in a narrow hallway, everything is lost. Even when a dog's beloved human is on the other side. The pain etched across the dogs face is enough to make you want to explode.
Based on cats other patterns of bullying dogs and humans, its possible that they are holding dogs hostage for their own sick amusement. That or they are on an important mission to protect the rest of the house from the dog because they have been watching too much "Lord Of The Rings".
Most likely though, cats just don't give a f*ck, and sadly, dogs just care too much. Watch our compilation above of the most painfully adorable cat and dog standoffs that the internet has to offer.