I know what ya mean. With my first yorkie I had to start training end of November and I shivered too. Waiting and waiting for ... you know. and zip. Seems like we both were shivering!! Sometimes he would shiver if we just looked at him. But he stopped after a couple months. Sometimes I think he was just afraid of how big people seemed? My other yorkie only shivers at the vets, or when he sees our groomer coming up the walk. And if I give him a bath.