Dogs mind changes very quickly

Husky looks terrifying as it tries to lick a glass door while baring its teeth

https://www.dailymail.co.uk/news/article-7555113/Husky-looks-terrifying-tries-lick-glass-door-baring-teeth.html

Burney the Border Collie, Yellow Labrador Mix

https://dogperday.com/burney-the-border-collie-yellow-labrador-mix/

Lola the Roan Cocker Spaniel

https://dogperday.com/lola-the-roan-cocker-spaniel/