The relationship between humans and non-human animals is a fascinating one. In particular, the pet-owner relationship begs many questions. The preconception is that it is totally normal that we cohabitate with other animals in our homes. People love their pets, and for the most part, we assume that our pets love us. But how normal really is the concept of having pets? And even pets do add much value to humans' lives, is it really moral to keep pets, especially in the ways that we do? Professor Hal Herzog, expert in human-animal relationships, joins the podcast.