Hello all. I posted here a couple of weeks ago regarding Oso attacking our young puppy. The last attack occurred a couple of months ago. This new thread is about Oso behavior since my last post. He has been pacing pretty much non stop. He rests and sleeps at night but otherwise is pacing, indoors and out. He is not panting, whining or crying or barking (more than usual). Although, he has had a couple episodes where he seems to bark at nothing. He’s been to the vet and bloodwork was normal. She is thinking perhaps it’s neurological or behavioral. He has not acted aggressively towards puppy but is definitely avoiding her. I’ve looked at many internet articles and I just wonder if anyone has experienced this, it is so unusual.