The article discusses 10 things that Yorkshires terriers should never experience. These include never neglecting their dental care, never exposing them to extreme temperatures, and never leaving them alone for extended periods. Furthermore, it advises not to overfeed them, not to use harsh training methods, and not to ignore their exercise needs. The article also states that you should never leave toxic substances within their reach, never skip their grooming routine, and never avoid regular vet check-ups. Lastly, it emphasizes the importance of never neglecting their socialization needs.