My Dear dog "thanks for the memories"

Dogs are social pack animals who thrive off of attention and affection, making them a prime candidate for a person's best friend. Since dogs have been domesticated to a point where they need us to survive, and we tend to find that we need them almost as much, people and dogs developed a symbiotic relationship.
When it comes to the bond between dogs and humans, the term “man's best friend” is frequently used to describe the inter-species relationship. But are dogs really man's best friend? … According to researchers, dog trainers, and veterinarians, the answer is yes
Where did the phrase 'a dog is a man's best friend' come from? It is claimed that the first time the phrase 'man's best friend' was used, was in 1789 by King Frederick of Prussia.