How do I stop being ashamed of my past?

basically, i became a better version of myself, but i still want to prove to others that I was happy being my old self and that I wasn't ashamed of myself by making myself act like im still my older self or by acting depressed so people would focus on " oh why is she always depressed" making them drift away from " oh she changed to the better" (which in my heads , it means that my old self wasn't good enough) im still attached and ashamed of my old self

basically im having a hard time with identity change

an example of this is when someone who was really poor and that got rich , but whenever he or she sees someone treating poor people wrong , he or she gets mad and hurt bc it means that if he was still poor , people would treat him the same way, and that no one would love him or her if he was still poor , OR no one would love me if i was still ugly

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did anyone read what i actually wrote?
How do I stop being ashamed of my past?
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