Last September, a reader adopted what they think is a Rottweiler/German Shepherd mix puppy from a rescue at approximately eight weeks of age.  Throughout most of her puppyhood, she had a very timid personality, and she was always extra cautious of people and inanimate objects, but she was always very playful with and intrigued by other dogs.  Now, the family is starting to notice some behavior at 1 ½ years old that is disturbing to them. Continue Reading