Inspector Lewis, Season 3, Episode 5 on MASTERPIECE

One of the biggest challenges we face with dogs is that most of us don't realise that to understand our dogs we need to learn a new language. We need to understand a 'language' or a communication system that is mostly visual as opposed to verbal. We commonly hear that the dog was 'fine' and then something happened and that it was completely unpredictable. Whilst I will acknowledge that in rare cases some behaviour can be unpredictable (usually they are abnormal issues or have a medical component