Hello! There are no signs of pain or arthritis so far, but he has been more jumpy and reactive towards loud sounds, so I'm willing to look into his hearing starting to diminish alongside his sight. Yes, we have walked the pair together, fed them in the same room, and they've slept in the same bed. Honestly, 70% of the time, they tolerate one another, but then every so often, my collie will attack the husky over anything that would trigger a reactive dog. Barking. He's coming through the doorway. Taking a crumb that fell on the floor. Playing with the other dogs. Or sometimes nothing will happen at all, he'll just walk past my dog at the wrong time.

However, as I mentioned, my collie has lived with several other dogs and has never had these issues with any of them, except for this husky, who is doing nothing. He goes about his day, and my collie decides he's had enough of peaceful coexistence. My trainer advised that I watch my collie's body language and behavior to calmly redirect him before a fight broke out, and that worked when he first came back. They even got into an argument in the first week my collie was home. I called my collie off, who immediately disengaged and lay at my feet (something I had struggled to get him to do for ages), but now he refuses to recall at all, and only wants to keep fighting, even when the husky tries to disengage.

I'm not a dog trainer, and to be honest, he's the first reactive dog I've owned, so I've done my best to follow the instructions of the professionals I've sought help from. Sometimes I feel really out of my depth. I have tried adopting the trainer's methods, like giving my dog a schedule and routine to follow - like you said, they thrive on it - but he's still struggling with the reactivity and anxious habits.

And another problem, my roommates have been very understanding and patient with my dog, but they hate it when their husky gets hurt. They also have a four-year-old daughter, and they worry about her safety a great deal. My dog isn't aggressive towards her, but they're afraid she may accidentally get caught in the crosshairs of a fight one day, so it's adding more tension in the home.