The measure of (mental) health is flexibility (not comparison to some 'norm'), the freedom to learn from experience ... to be influenced by reasonable arguments ... and the appeal to the emotions ... and especially the freedom to cease when sated. The essence of illness is the freezing of behavior into unalterable and insatiable patterns.
David BrinSelf-awareness is probably overrated. A complex, self-regulating system doesn't need it in order to be successful, or even smart.
David Brin