Humans have a natural tendency to “anthropomorphize” animals, and especially pets. We sometimes talk to them as if they were human babies, and we ascribe feelings to them that, in my experience at least, science has long told us that they don’t actually possess.
But maybe our natural tendency isn’t quite so far off as we’ve been told:
http://news.nationalgeographic.com/2015/07/150720-dogs-animals-science-pets-evolution-intelligence/