A watchdog is a dog kept to guard your home, usually by sleeping where a burglar would awaken the household by falling over him. Never judge a dog's pedigree by the kind of books he does not chew. No matter how little money and how few possessions you own, having a dog makes you rich. The problem with cats is that they get the same exact look whether they see a moth or an ax-murderer. I think that is how dogs spend their lives.
All trees have bark.
All dogs bark. Therefore, all dogs are trees. The fallacy of barking up the wrong tree. Then he is Mr. Dog. If it went by merit, you would stay out and your dog would go in.