Cats' reactions to mite infestations vary. Some cats don't appear to be bothered by even a lot of mites, but other cats itch intensely with only a small range. The former may be hypersensitive to mite saliva, so just some mites while in the ear canal may cause discomfort. Also, https://elliottpszww.blog-gold.com/42201860/the-smart-trick-of-pet-stress-relief-snacks-that-nobody-is-discussing