Animals act differently with every person, because everybody behaves different and therefore leads the animal to act in a way it thinks is appropriate. I've never experienced something like an overly aggressive behaviour by animals because they somehow felt what I am, so I think they can't. read more
Not being one, I do not know, but often, a psychopath is incapable of liking anything, and only interacting with things to get a "kick" out of it. Beyond that, I could not say; you might want to ask a Psychologist. read more
Dogs can sense the mindset of a person, but they do it in a very different manner than humans do. When a human is being aggressive and has "evil" intentions toward a dog or the dog's owner, the human generates particular scent particles associated with the brain transmitter substances according to the feeling he is experiencing, such as f.x. Adrenalin. read more