Can your dog be just too smart sometimes ?

My daughter's do knows where his doggie bones are kept. He will sit there with his chin on the box until she gives him one. I know that if the box were not securely closed, he would be getting his own treats out! My little dog knows where her treats are kept, too. Fortunealty, they are out of her reach,but when I go to bed at night she is right there waiting for her goodie. That is the only time she gets any.