Thanks @Breaking Dawn. My other dog doesn't seem to register yet that he's gone. She sleeps in the bedroom most of the time, so that's where she is. After the vet took him away, I took her for a walk and she was very skittish about my putting her leash on. Maybe she does need comforted. She's not comforting me and I expected that. She'll understand eventually what's happened. She's a great dog and everyone we meet loves her instantly, but she is very aloof.