Hi Mike , I agree with most of what you`ve said, they learn by experience, if they become familiar with our presence they often accept we mean no harm (that`s why if people don`t try they`ll never succeed). These animals (generally speaking) do not crumble when touched, neither do they hold "grudges". I`m sure you meant to say if the interaction is done the "wrong" way all monitors would be shy and defensive (not aggressive)! Have you or the OP (or any other interested member) seen Kathy B`s videos on youtube, if not take a look ("thereptilewhisperer"). Nothing more than time and patience, as always..... That`s how "fully acclimated to the keeper" monitors can behave (mine have and do), even when fully supported (properly heated).