Omnivores like our early humanoid primate ancestors were always seeking out plump, juicy fruits, and that legacy drives our attraction to fruity and flowery smells. Dogs are hunters and scavengers, attracted to, rather than repelled by, the scent of ripe carcasses. In the big scheme of things, one attraction makes no more sense than the other. When you think about it, soaking in plant genitalia or whale goo really isn’t inherently any more sensible than rolling in cow pies. That perspective helps me a bit when I’m not quick enough to stop one of my dogs from her blissful wallow in some
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