A Hunter-Gatherer's Guide to the 21st Century: Evolution and the Challenges of Modern Life

by Heather E. Heying

Does your pet love you? Of course your pet loves you. (Qualifier: your pet can love you if it’s a mammal or one of a few clades of birds, like a parrot. If your pet is a gecko or a python or a goldfish, your pet is probably incapable of love.)