I love dogs, I am considering getting one soon
I'm not really a dog person at all.  I don't need need one for protection, I don't go hunting.  I just have no need for one.
Well that makes sense and they are a lot of work. They are so friendly though!
They're just too friendly sometimes.  It's almost like they know they're called man's best friend and they try too hard to live up to that.
I never thought of it that way, I bet they have been around as domesticated animals for a long time though
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
in the Working Group. (recognized by the American Kennel Club) 
According to American Kennel Club, the dogs do jobs such as guard dog, pulling sleds, and rescuing people and things from water – they are mostly family friendly.
"People who love Portuguese water dogs say they are like potato chips, you can't have just one. That bubbly, happy personality is the whole package. The beautiful coat, the trainability, the need for a job. They're just adorable", according to Lisa