Chihuahua dog owners understand several unique aspects of having these small dogs as pets. Firstly, they know that despite their small size, Chihuahuas have big personalities and love to be the center of attention. Secondly, Chihuahuas tend to be attached to their owners and can suffer from separation anxiety. Thirdly, they are known for their protective nature and will do anything to defend their owners. Additionally, Chihuahuas can be quite stubborn and may require extra patience during training. Overall, Chihuahua owners have a deep understanding of the quirks and characteristics of these lovable dogs.