photo credit: Rutger Blom There are  three main reasons why dogs chew: Firstly it is a natural process. It’s fun for them, helps them pass the time, and it’s a self-rewarding, self-reinforcing activity especially if they are chewing something that tastes good. If a dog is bored, nervous, lonely or suffering from separation anxiety then they may chew as an outlet for their emotions. It's a bit like humans hitting the chocolate or whatever your comfort food of choice is! ...