Oh I’ve across people who like to write letters and make comments about themselves that they are “good people” and “loving and caring and everyone should be like them” . If you are so great, everyone already knows it and you have no need to convince anyone

People who are loving and caring have no need to convince anyone about it. Everyone would already know.

I know someone who liked to write these kind of letters to people whom she abused and to people who had nothing to do with her because of abuse. If people fell for it and decided to give her a chance, she quickly reversed to her old ways. She was formally diagnosed with personality disorder, sadly she refused to seek therapy because she didn't like what therapists had to say

Believing that you possess all these wonderful qualities and are G-d’s gift to universe and everyone should be like you often goes hand to hand with cluster B personality disorders

Not trying to diagnose over the internet but I remember you were wondering that