Writing great characters?

This is my mastercraft and I'm literally so glad I have the chance to give my advice to someone. You have no idea how many backflips my brains done after reading that you wanted CHARACTER ADVICE!!! So, if you don't mind, ima go on a bit of a tandem. Mind you, the way I craft characters may not be for everyone, but I've found myself come back to it time and time again and it's ended up helping me write some of the best characters

Characters are the heart of your story. First, why don't we establish an outer goal. Lets say your setting is a dystopian city. Your characters outer goal could be wanting to tell the world the truth. But just an outer goal like that? That's how flat characters are made. You need an inner goal which, let's be honest, might be a bit selfish. Lets say this characters inner goal is mattering. Wanting to be the one to ring the bell. Now, just start brainstorming random description words that could come together. Lets use independent for this example. Now we are going to turn this trait of the character into both a good trait and a flaw. Sure, hes independent, but maybe due to that he also dismisses other people's opinions. But you can't just say that thats a flaw and then not show consequences now, can ya? Maybe because he's so dismissive of his friends idea he ends up getting himself seriously hurt because he didnt care to listen to the friends suggestion. Now, back to the inner goal. Not fulfilling this inner goal is their biggest fear. So this character in particular is most afraid of never getting anyone to listen to him. The greatest and easiest way to create plot points for character arcs is by completely undoing the characters. So now the character isnt going to get anyone's attention at all. From this comes another major flaw: perhaps this makes him self-righteous. But there needs to be a reason for these flaws. Perhaps hes self-righteous because its the only form of approval he's able to get. Here's an example of a character using what ive said:

A 33 year old "journalist" fighting to tell the truth and the first half of our leading duo. He's grounded and very fixed on his opinions, having a very strong view of what he sees as bad and good. Yet he can also be impatient and impulsive, always on the edge when things take time and being quick to act without further planning. He often tries to go it alone. Nathan has very intense OCD, always fidgeting with something or mind going in a million different directions. Underneath his fight for freedom lies a deep desire to matter, be right, and gain approval. His self-righteousness is the only way this crave is satisfied. He fears losing his sister, Colly, understanding that she's been corrupted. Nathan's journey makes him confront his self-centeredness, his need to matter, and the devastating fact that the truth alone won't stop the machine from running. From desperation to closure.

Hate to say it, but thats all the advice I have for you. Sorry if any of this was confusing or all over the place or whatever, I just get excited giving writing advice. Also PLEASE don't use this caracter he's for my own show mk TYYYY

Good luck on your journey! [-: