So my GSD is 2YO, had her since she was 5 months old, the entire time I've had her she has never been a barker, to the point where i go months without hearing a single bark. The most she does is whine when she wants togo outside or hears my neighbor who she loves. The rare times she does let out ONE bark is if shes half asleep and a noise startles her or shes having a nightmare and wakes up suddenly. Other dogs (big or small) can bark relentlessly, people can knock on the door, I can rile her up with her ball (she has really high ball drive), and you wont get a single bark out of her. Every forum or website i have been to always says that GSD's are for the most part barkers, is there anything i should be concerned about or has anyone had a GSD who just doesn't bark?