You know I train Border Collies and like kids once you light them up one good time they know you can do it anytime and the bluff is in for a very long time.
With dogs it is for life with kids well until they get big enough to kick daddy's butt. Then you must teach them the golden rule. "The man with the gold rules" and you go from corporal punishment to mind games and they are still new at it.
Just take cars, cell phones and I have three girls and every now and then a good old George Patton talk right in their pretty little faces. I must say I did not have to spank more than a dozen times with all three girls.
There was a time I had a issue with one my dogs stealing some meat off the grille and the girls got to see daddy kick some dog ass. They were all crying and mama too. Dog still does not like it when I light the pit and he is ten years old and at the time just a year old. Now granted he is a Border Collie and not a mutt. Made a deep impression on my girls
Still the most talked about story at our house.
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Maranatha 
Mat 7:14 Because strait is the gate, and narrow is the way, which leadeth unto life, and few there be that find it.