Puppies bite. In fact, sometimes we may even wonder whether we’ve adopted a baby crocodile instead of a dog. After a week with our new puppy, our hands are marked, our clothes are filled with wholes and our minds are desperate! Does this mean we’ve adopted an aggressive dog? Will he bite people in the future? The truth is, this is a perfectly normal behavior for puppies. Just like human babies, they discover the world with their mouths. Since their mouths are filled with tiny, pointy, sharp teeth, it hurts. If it didn’t hurt, they would miss the opportunity to learn an extremely important life lesson: bite inhibition. Imagine the following scenario: two young puppies are happily playing with each other. They nibble, mouth and bite each other. All of the sudden, one of the puppies enthusiastically bites his sister; she yells and moves away from him. The young puppy...