Oscar and I have attended puppy class and now we are in his intermediate class. I'm a bit nervous because I cannot seem to teach him the lay down command. He is a pretty smart dog and he knows all his other tricks really well. I know that we will not pass the class until he can do this command without me putting my hand on the floor with a treat. The trainer explained to me that sometimes the short legged dogs have a hard time with this command and he might eventually get it. We practice…