Instead, they are known for their loyalty, affection, and intelligence. Blue Nose Pitbulls can be loving family pets if they are well-socialized, properly trained, and cared for. In fact, because many breeders have a sole, driving focus of producing dogs with a blue coat and nose, they lose sight of the more crucial trait: an excellent temperament! Because of this, too many Blue Nose Pitbulls are born with aggressive or stubborn tendencies.