2020

"Man's best friend" is a common phrase used to describe domestic dogs, referring to their millennia-long history of close relations, loyalty, and companionship with humans.

The first recorded use of a related phrase is by Frederick the Great of Prussia. It was likely popularized by its use in a poem by Ogden Nash and has since become a common colloquialism.
Before the 19th century, breeds of dogs (other than lap dogs) were largely functional.

They performed activities such as hunting, tracking, watching, protecting and guarding; and language describing the dog often reflected these roles.

According to the Oxford English Dictionary, "In the oldest proverbs and phrases dogs are rarely depicted as faithful or as man’s best friend, but as vicious, ravening, or watchful."

Beginning in the 18th century, multiplying in the 19th and flourishing in the 20th century, language and attitudes towards dogs began to shift. Possibly, this societal shift can be attributed to discovery of the rabies vaccine in 1869.

2021

The coat is the result of a controlled matting process. Thin, rope-like corded coats are desired and the grooming should control the coat towards the forming of thinner ropes. The Puli's coat needs considerable grooming to keep its cords clean, neat, and attractive. With age, the coat can become quite long, even reaching the ground. Alternatively, the coat can be trimmed short regularly for easy maintenance although the corded coat is what attracts many people to the breed.

They are loyal to their owners and wary of strangers. They are highly active and keep a playful, puppy-like behavior their entire lives. They need a lot of exercise and free space, preferably outdoors - Pulis are generally not very well suited as city or indoor pets. Wikipedia