If pets could talk, people wouldn’t have to taste-test cat and dog food. To make sure the flavors are just right, a group of adventurous eaters chow down on pet food, remarking on everything from texture to tartness. But they only go so far: Simon Allison, a senior food technologist for Marks & Spencer, admits to spitting out the pet food after tasting it and keeping a glass of water on hand to rinse with. Photo by Shutterstock.