By contrast, oftentimes it's the calm, quiet guy sitting in the corner (who doesn't say much) ... and who doesn't really respond to being provoked lightly ... who will ultimately prove to be the most dangerous of all ... because, if you push him too far, he will get up and beat the absolute dogshit out of you, and will not stop once he's been triggered to go. Hence the expression, "Still water runs deep" ...
hitting the nail on the head

finishing of a cur was just hypothetical, because she knew the other dog intentions and a cur's intension is to jump the wall

Thanks, good reads!