Has obedience school worked for any of you? I am really wanting him to be a well behaved puppy and I am having trouble with this. It's a tad embarrassing when someone comes to visit and little Chewie refuses to listen all the while jumping up on people. Thinking that this could be a good idea for my stubborn little guy. One thursday a week for 8 weeks is the schedule, is this average? Just looking for some more info