You can also hurt a dog if it's insecure, if a dog is nervous and then you try to pet him, you can make him more nervous. It's not just the aggressive dogs that you can get hurt. It's also the dogs that you can actually hurt. It works both ways.
Cesar MillanThere are two schools. The school where you go and open a book, and then there's the school of life. When you learn hands-on, often you don't understand why you do what you do and what's the word for that action.
Cesar Millan