Can you imagine being 20 years old and landing with you rucksack, in a country that you could not speak a single word of the language and you were on your own. Guess what happened?
Yes I became fluent!
Now I am totally bilingual, I have 2 bilingual children and even my dog is bilingual.
If you want to understand what the secret to learning a language is, then this podcast is exactly what you need.
This is how it worked for me, I can promise you, if you follow this advice, you too, will become fluent.