I'm at the verge of giving up honestly

Hi I'm new to this sub!

So, basically I'm new to the writing world and want to try it out. Here's the thing I've got 3 story ideas, I love them all and am currently working on 1 right now but the problem is everything I write, it just sucks or it seems like something that came from another story (I do this subconsciously). I pretty much suck I can't make scenes, can't write dialouge, and I'm competing with authors wah ahead of me. My main proble is idk what tf to do so...any advice?