"...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 Arthur Conan Doyle
"...A dog reflects the family life. Whoever saw a frisky dog in a gloomy family, or a sad dog in a happy one? Snarling people have snarling dogs, dangerous people have dangerous ones...."
Random Facts :
Chihuahua's
Soft Spot
They have a “soft spot.†One unique Chihuahua fact is that, similar to newborn humans, these precious pups have a soft spot on the top of their skulls known as a molera.
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.