"...All dogs can become aggressive, but the difference between an aggressive Chihuahua and an aggressive pit bull is that the pit bull can do more damage. That's why it's important to make sure you are a hundred percent ready for the responsibility if you own a 'power' breed, like a pit bull, German shepherd, or Rottweiler...."
Dogs
by Mark Twain
"...If you pick up a starving dog and make him prosperous he will not bite you. This is the principal difference between a dog and man...."
Random Facts :
Chihuahua's
Loyalty
Chihuahuas are very loyal. It is a fact about Chihuahuas that they can be the most loyal of companions; perhaps sometimes almost too loyal! These little dogs with huge hearts bond very deeply with one person and can become overly protective and possessive of this person if care is not taken to socialize them well.
Chihuahua's
Companionship
Chihuahuas are companion pets. Unlike many breeds who were developed for hunting or herding, the Chihuahua breed was developed solely as a companion animal and does this job very well.