Owners lavish love on their pets, which is why so many go from non-aggressive pups to being out of control when they're older. People just don't realise their dog must respect them as leader of the pack.

Owners lavish love on their pets, which is why so many go from non-aggressive pups to being out of control when they're older. People just don't realise their dog must respect them as leader of the pack.

When I go and work with people, I never say, 'Your dog is changed for the rest of its life.' It's like a diet. You've got to maintain a discipline and ritual in your life to keep a certain figure.

A dog is a vehicle, you know; a dog is a window to Mother Nature, and that's the closest species we have.

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.

When you have a certain fitness projection, it's going to give you an advantage. Having strength, stamina and speed is important because I'm working with dogs who can kill me.