The social sensitivity of Rat Terriers makes them very trainable and easy for the average pet owner to live with. But it also means that they need socialization from an early age. Proper socialization of a Rat Terrier puppy involves getting to know a wide variety of people and places, especially during the first three months of life. Like most active and intelligent breeds, Rat Terriers are happier when they receive a lot of mental stress and exercise. Rat terriers are usually loyal to their owners and respectful of people if they receive proper training as a puppy. The Rat Terrier is usually an intelligent and stubborn dog who knows how to get what she wants, when she wants it, a dog. They are also considered good pets due to their high energy and good compatibility with children. They are very playful dogs.