a good dog' and it's so true
a good dog, and same with a tired pack
a good dog", and this is very true
a good dog because then he is sleeping, not barking or being destructive
a good dog but it is not a dog that is able to learn and retain that which it is to be learning
a good dog, so give your puppy or dog lots of exercise and constructive outlets for his natural energies
a happy dog and an obedient dog
a happy dog and more likely to learn
