some of them stop being fatties or become fatties, but its always because they swapped out over-eating for some other shitty behavior. So they don't change in important ways, but they change in superficial ones all the time. If amber became a mean drunk instead of a fatty that would be an example of a change, but not really.narcs dont change
Ambers narcissism combines with her stupidity in really interesting ways. If she just happens to have a thought that is at odds with her current diet plan, she is too dumb to challenge the thought, and too narcissistic to ignore it. Normal people don't enjoy their own ambivalence, but I have never seen someone stop dead in their tracks and completely derail their lives because they happened to think something for a moment. That's the norm for her. She gives her dumb little thoughts wayyyy too much importance, and feels entitled to have all of them answered to her satisfaction before agreeing to continue dieting. That's what happened with the dietitian imo, she got sick of explaining the same fucking thing eighty times to someone with the distractability of a toddler. In light of that, I don't think amberlynn will ever lose weight without surgery physically stopping her from eating.