"The insane skill tree" ? - - - no! - - - "the sane skill tree"

If indeed the gamer is faced with long bouts of repetitious mouse-click boredom, then it makes strategic sense to be able to stop for a breather now and then, to gaze in awe at the splendor of the mesmerizing skill tree while taking long deep breaths to recover ones sanity before diving back into the fray.