I imagine Julian saying he wouldn’t wish to have another dog after Brundle, but brightening up everytime a dog wags their tail at him. He would kneel down to pet and talk to the dog for a good while.
I imagine the apprentice deciding to give Julian a pupper. They have seen how happy Julian gets whenever he interacts with a dog, and it would a good way to, maybe, help Julian be less anxious.
I imagine the apprentice arriving home with a very small puppy in their arms, and Julian’s jaw dropping when he see them at the door.
“What did you—uh, is it staying with us?” He would ask, looking at the pup with arched brows, feeling a bit insecure by just the sight of it. “Of course, it has nowhere to stay other than here,” the apprentice would reply.
Julian would stay away from the pup, he would not even look at it directly. What if he gets too attached to it. That is, until they put it to sleep in a rushed blanket fort of a bed. The puppy starts whimpering, but the apprentice has been long gone into their slumber. Julian opens his eyes wide.
He would let the dog be, roll onto his side and close his eyes again. But the whimpering pulls his heartstrings and in no longer than a full minute, Julian would have gone get the puppy and put it in bed to sleep with them.
Next morning, the apprentice would look at the scene: Julian curled up protectively around the pupper, kind of stiff because, the apprentice would think, he wouldn’t want to crush the pup, but also he would look relaxed. The apprentince would smile. They knew this was a good idea.