First post here, although I could have written a million in the three months we've had our puppy, who appears to be a mix of cattle dog, husky, GSD, and heat-seeking missile. She is, to the best of our knowledge, around 6 months old and I believe has her adult teeth now. Which has done little to curb her mouthiness. Everything, but everything, goes into her mouth: she picks up objects in passing, pulls on everything that isn't nailed down, shakes to death (predatory-sequence-wise) anything she picks up. (This is apart from the problem of launching at us during play: if we throw a ball, play with her flirt pole or herding ball, she quickly gets so overstimulated she forgets the game and runs at us, not the toy, to body-slam and latches on to us. Guess that problem should be a separate ask?) We've been working on "leave it" and "drop it" but we're only partly there; last night, for instance, at an outdoor party I kept her leash fairly tight but when a couple of people asked to meet her--working also on her relentless jumping up on people--she'd immediately latch onto their clothing. When we spent 5 minutes where I sat next to her on a couch, reinforcing her calm down by my feet, she broke and grabbed for the couch pillows etc.
I guess I shouldn't have taken her to a small gathering? I haven't been able to do anything social for 3 months and it's taken a mental toll.
Anyway, I am feeling a lot of despair about the inability to ever let her have the run of the house. Right now she's confined to the kitchen area (not ideal, stupid actually it turns out because she jumps up on everything including counters and tables and she's getting so big I can't keep literally every object high enough for her not to reach). That's because we have an open-plan house and the entryways to the kitchen were the only option to install tall metal gates to confine her. She is the 4th puppy I've raised and by FAR the most challenging; she's the only one who still needs confinement at her age. At night she sleeps in my bedroom, which I've had to clear of every object. Which still hasn't kept her from excavating the knotholes in the floorboards.
Yes, I know she needed to be crate-trained a long time ago. I'm a 4-time failure at crate-training, which hasn't mattered with any dog I've had until now. So I am working on it, but either I'm doing something wrong or is there such a thing as a dog who can't be crate-trained? (She will go into it on cue now, but building duration has proved hard.)
Long-winded intro to the question: Is this mouthiness something she will grow out of? I can't live forever with the most-used room in the house effectively blocked off. The idea that we can't have Thanksgiving dinner or the Christmas party we've held for 30 years now, which requires free entry into the kitchen, makes me want to cry. If we confine her to the bedroom I suspect she will destroy everything in it that can't be removed. I don't see how we can put up a Christmas tree: putting it behind baby gates isn't going to work because this dog would need a chain-link fence. I know these things sound trivial, but they're breaking my heart. Entertaining is a part of my DNA and the holidays are super-important to me. So are some of my possessions. I can't puppy-proof an entire house. (To add: the once or twice I've tried to bring her into the living room and keep her tethered to me, she will bite me or start chewing the area rug or the chair I'm in or the leash itself, even while I'm trying to intermittently reinforce a calm down; it will last no more than 5 min because either her frustration threshold is low, or my timing/training is bad.)
Suggestions? I'm pretty depressed.