We have a 4yo. Husky that we've had since he was a 9 week old puppy. When we brought him home there was another dog, 7yo Sheltie and a 14yo cat. Well we finally had to put down the cat this spring as she quit eating and was having other signs of being almost 20 years old.
The 2 dogs did OK after she was gone but we could tell they at time would kind of look thru the house for her.
Now just a few weeks ago we also had to put down the Sheltie. He couldn't hardly walk anymore and was going blind. It was a very sad day.
When we got home from the vet the Husky was outside as he was when we left. He was waiting at the gate and was all excited and even more so when he didn't see his partner get out of the car. He spent all day howling and pacing to the door.
He's now gotten to the point that he seems lost, no interest and sticks right by our side all day long and all night. If we're in the house he has no interest in going out. He's sleeping at my feet right now as I write this.
We've started looking for a new companion for him hoping it will perk him up.