I love dogs. Have you ever had a pet dog?
I have!  They do vary widely in shape, size and colors, but my preference is the Basset Hound!  So cute!
Dogs are my favorite! They are so smart.
They are VERY smart!  And they have become uniquely attuned to human behavior
I think its amazing that their are service dogs that can detect when a persons blood sugar levels are too low.
courts against those who have sought to abridge those rights.
Outside the US, the term service dog refers to a dog that works for police, military, or search and rescue services, while the term 'assistance dog' is the legal term for a dog that is trained to provide assistance and support for a disabled person. 
Desirable character traits in service animals typically include good temperament or psychological make-up (including biddability and trainability) and good health (including physical structure and stamina). Some service dogs
was the first species to be domesticated and has been selectively bred over millennia for various behaviors, sensory capabilities, and physical attributes.
Their long association with humans has led dogs to be uniquely attuned to human behavior and they are able to thrive on a starch-rich diet that would be inadequate for other canid species. Dogs vary widely in shape, size and colors. They perform many roles for humans, such as hunting, herding, pulling loads, protection, assisting police and military, companionship and, more recently