Agreed. Pushing the limits, engendering strong polar reactions, and, yes, occasionally crossing the line certainly describes the guy.
But, without that stimulation, we tend to gradually sink into repetitivity. Because "same ol' same ol'" is comfortable and limit pushing is irritating we seldom seek the stimulant. Yet intellectual atrophy frequently follows comfort.
Kinda' like post-prandial stupor. LOL.
Visited your board, marked it for review when time allows. I have some affinity for dragons. Lao Tzu is one of my favorites.