The dog is a simple animal that shows no complex characteristics. Dogs are selfless animals and they do not have any extraordinary requirements. They look for little care and affection. A dog becomes a good companion for its owner. Dogs are known to be one of the most faithful and loyal species. Dogs can be there for you even when people can't. They offer unconditional love, emotional support, and constant cuddles that help stave off social isolation. Dogs like this are sometimes described as “taking a while to warm up,” “one-man dogs” or “protective.” They are usually fine with a person once they get to know them. Examples are dogs who are afraid of men or children, or bark at people who walk or dress differently.