You and your dog don’t speak the same language, so you have to teach a dog what words mean, but you can’t really do that if you don’t know how to speak to the dog.
However smart your pooch is, it is not likely that he’ll cross his legs and hold his bowels and bladder until you come home from work. You’ll probably find some messy and smelly gifts on the floor of your apartment or house, instead.
Their affection is almost always conspicuous and they are exuberant in physically displaying their happiness. But let’s go over some signs of doggy-happiness anyway.
Long before dogs became domesticated household pets, they were wild animals not much different from wolves. They hunted in packs and this way of obtaining food had its advantages.