Hello, Maggie is my 2nd GSD and 9 months old. She spent 2 months with an excellent trainer and I am continuing her training with good results. About a month ago she occasionally started whining then barking at me usually in the evening after her dinner and walk. It has now become an every day several times a day occurance and she seems agitated more and more. I work at home and take her out several times a day for play/training. We have 5 fenced acres to to roam. She is good with people and other dogs. This really has me baffled as tonight it scared me enough that I crated her 2 hours before bed time because she wouldn’t stop and seemed to be getting angrier by the minute. I’ve learmed so much from these forums over the years I’d appreciate any input.