Watch me talk about this on YouTube - https://www.youtube.com/watch?v=0VnhZNk64-M
What's fluency? Do you need to learn more words to be fluent? How about grammar? Know what fluency is, so you can improve it.
This is the blog post I mention in the episode - https://fabiocerpelloni.com/fluency/
I hope this is helpful.
Please feel free to ask me any questions - I love talking about these things.
All my contact info is on my website - www.fabiocerpelloni.com