You only get better with more coding experience. Try to learn from your mistakes. Most important, you are not your code. Don’t take it personal.
Have you talked about this with colleges? It could be that they don’t see it the same way as you. And they are happy to work with you.
I think most companies are terrible at doing code reviews and focus way to much in the wrong thing. You, as a team should create value for the company, not talk about the cutting your slightly to long method up again and again.
For me this code review video really opens my eyes: