My cat is grieving because my brother moved out.
My brother was the cats chosen human and even though he will cuddle and play with us others, their connection was special.
Since my brother moved away 2 weeks ago my cat has barely eaten, seems apathetic and does not go outside much.
How do we help him get over his "loss"? I checked out My cat is not eating or drinking anything after the death of the fellow cat, but the answers are mostly focusing on food and the loss of another cat and it is not what I am after.
So far we have been giving him extra attention and tried playing with him. We will take him to the vet this week to rule out any illness.
UPDATE: We went to the vet and the cat is dehydrated and lost 700g. They gave him an infusion and gave us a pheromone spray. So sickness is ruled out.