BOYS! And forget about the frontal lobe and common sense.... how many women do you see going round and round in Nascar cars or tuning engines for that extra 400 horsepower? I think most men are hellbent on self destruction sometimes..
*rolls eyes*
Did you tell the owner?
The owner may want know the dog was 1) Aggressive or
2) Doing a good job
I applaud you for your way of thinking though.... with a mom like you he is bound to learn common sense sooner than later. You'd be surprised at the amount of moms that would have sued and coddled their son into not accepting responsibilty for invading the dogs space (and a dog that was giving plenty of warning!)