This sort of personality hard-wiring has got to date back to childhood, eg on over-attentive parent ("you can do no wrong at all", hence the narcissism and all-knowing ego) in combination with distance/emotional neglect from another family figure, possibly a higher achiever (hence the obsessive need to prove wrong the haters, down to showing hair strands)
There is no changing this, despite the sporadic genuine efforts of various posters such as wes, soul crusher, krankenstein: its basically just enjoying the reality show and prodding it along