Native-Like Fluency is possible.
You need two ingredients: a deliberate practice routine and caring, human feedback.
I vote for mastery and natural, effortless virtuosity
You will never hear me say, “It’s OK to make mistakes over and over again in your speech, as long as you feel comfortable or as long as people understand you”.
The purpose of learning is not “to feel good."
The purpose of learning is to create a lasting change.