Interesting that you mentioned she wouldn’t take food from you for a while. My best childhood friend always had German shepherds, her parents were from Germany and were very strict people. Their first dog was a guard dog and she told me he had been trained not to accept food, ANY food, from strangers, so that potential burglars wouldn’t be able to poison him by tossing a poisoned steak over the fence or whatever. Obviously your poor doggie underwent some harsh “training” for this purpose; bad guy might have been a drug dealer looking for a guard for his wares, who knows.
True enough, with all you say. THANKS.
Her name was "Lucy" and she spent the rest of her life with my husband--the BEST life a doggie could have.