I suppose becoming higher functioning means being better able to integrate the different aspects of one's personality.
Some might say becoming higher functioning means realizing that different aspects of one's personality will never be all that integrated. Then you can learn navigate thru the world with a sense of comfort while different personality aspects wane and wax. Striving for ever increasing integration focuses on making yourself be a certain thing, rather than focusing on simply being.
Stop WaitingFeel EverythingLove AchinglyGive ImpeccablyLet Go