they are social creatures...it has nothing to do with conscience thought...a bad dog doesn't hate, it was trained to be aggressive, a beaten dog is not afraid of people, it has been trained to equate people with pain, just like wild animals losing a fear of humanity...it doesn't know that we or they can hurt each other, they just equate us with food!...anything with a brain can feel pain...even as insignificant as a worm...that does not mean they have feelings...just sensation. Is the dog doing that because it love you or as beauty said, knows you have food?