I have read this before but not sure of the truth behind this. Dogs closest related to wolves carry dominate traits especially male dogs. GSD being the breed they are play roles such as dominate male or Alpha as you already know. When these dogs are in packs in the wild they follow these rolls but they also come into play with the human family's as well. When a member of a wolf pack is injured they hide their injury due to ranking in the pack. If the Alpha is injured and it is visible to the pack then rolls change and a new Alpha is crowned. Now talking about your dog he may have seen you as the Alpha roll in the past but now that he has seen you injured and hurt maybe now he has taken the roll of Alpha male inside his head and his goal is to now protect his pack. YOU. This is one of the hardest things to reestablish if this is whats going on so I wish you luck. I hope you get everything under control. I hope this helps and is in terms you understand. It sounds very crazy I know but this is what goes on with the breeds GSD that we love so much.
Last edited by bryant88; 01-22-2013 at 02:40 PM.