Training Tools - A Tired Dog

I'm going to touch briefly on my mantra of a Tired Dog is a Good Dog. I know that some people know this - but I wonder some days at how many people know it but don't fully understand it.

I'm sure that we can all agree that your dog is a blank slate waiting for you to teach it. Each and every behaviour is a learned one - whether you meant to teach it, it came with your dog, or it was a behaviour