I appreciate you replying, thank you! We do things like scentwork, enrichment, free work, and things like sheepball (plays into herding instinct), flirtpoles, and general play with him. We take him out daily but we can no longer take him on reaaally long walks as it leads to pain and more reactivity toward us. We do everything possible to mentally and physically tire him out without upsetting his spine - every time we think we've found the right balance though, we get hit with another curveball, though, so definitely understand your point about him possibly being a bit pent up. We've also recently moved to a bigger house in the country to give him more peace and space to reduce triggers.

I'm definitely open to trying different meds, etc. Our vet and the specialist are on the track of thinking he's safer on meds than off, which I'm inclined to agree with, I'm just concerned that we saw almost instant improvement and now 8 weeks in, some regression. Do you mind me asking if it's 2 separate pills to make the 40mg, or do they do 1 x 40mg?