It's heartwarming to get to read everyone's replies of improvement. I like knowing that my fellow creators here on Tapas continue to strive forward and make stories. 
That said, yes, we never stop growing and improving, so long as we keep at it. Persistence is all it honestly takes, in my opinion. Inherent talent or not, the people who grow as storytellers are the ones that out-work everyone else~
As for my personal experience...
This year I finally read Story by Robert McKee. It's a book on the Substance, Structure and Principles of Screenwriting. I'd done a lot of thinking and realized that just learning about stories from books that focus on novels was not helping my Comic-writing. Comics are primarily visual experiences, like Shows and Movies.
In reading this book over the past 5 weeks, I simultaneously managed to write a comic pitch I love and draw the concept art for this year's first Incubator Program submissions. And I gotta say it was worth putting in the time each day to learn and write and just get something done to submit.
Apart from this, I've gained a greater appreciation for the art of making Comics that I think will help me down the line.
I hope that everyone here continues to grow and that we continue to support this insanely positive community that we have on Tapas~