Put the part that goes over her head on your wrist and put a treat in your hand, let her nibble on the treat as you put it over her head. Then praise her for being such a good cooperative girl!
The door thing is definately just the puppy in her. Maybe she needs a little more time outside to run around and use up all that puppy energy. If that is not possible, try playing a little fetch game in the kitchen floor or something! That energy has to go somewhere! |