Related: Labrador Retriever Gives Birth to Rare Litter of Puppies Containing Each Color ... Never miss a story — sign up for PEOPLE's free daily newsletter to stay up-to-date on the best of ...
expecting his service dog to come greet him, but the pup is busy doing something else. As he walks toward the living room, he finds the Labrador retriever, Magnus, lying belly up on the floor ...