We feed a primarily wet diet, but supplement with high quality kibble, in part because the kitties enjoy getting it out of the puzzle feeders we leave out when we're away! Point: Dry food in puzzle feeders can provide mental stimulation and fun.If Dr. Becker is right, maybe that's a good compromise I can make with my mom -- to have a human grade dry food (which, according to Dr. Becker, is actually better than most of the canned food I've been feeding my cat) occasionally available.