The reason perfectionism is particularly nefarious is perfection is an impossible goal. Thus, when we buy into perfectionism we're automatically setting ourselves up for failure, disappointment, self-loathing and neuroses. Perfection can't be attained so the goal can never be reached. There will always be someone who doesn't like our blog/book/article. We cannot please everyone. There will always be someone fitter, thinner, richer, more talented, and The Perfection Gremlin goes nuts when faced with any kind of "competition."