The Chihuahua is a good companion dog. Courageous, extremely lively, proud and adventurous, they enjoy affection. Brave, cheerful and agile. Chihuahua's can be strong-willed without the proper human leadership. They are loyal and become attached to their owners. Some like to lick their owner's faces. Socialize them well. For some, they may be slightly difficult to train, but they are intelligent, learn quickly, and respond well to proper...