She has a post up where she has asked for some help in training ideas, he is a bitter!
http://www.yorkietalk.com/forums/tra...my-yorkie.html
Maybe if you have a suggestion on a bitter that worked for you, you could post it in that tread or even a privet message. I read the post and looked at the photos, I did not get the impression that this puppy is being mistreated, she just needs ideas on how to get him not to be a bitter.