Is this necessary to live in the native speaking enviromental to master your language? It is a very difficult question to answer. More and more people claim that it's really important to live in a native speaking country to learn language you are studying.
I don't agree with those ones i've mentioned before. From my own experience I can say that it's not neseccary to live somewhere to master yourself. I mean you can easily learn any language you want to learn at home on your own. And that's all about the internet any many other different sources of information.
Due to the internet you can easily find any information you're interested in from speaking to writing. Quite frankly, I could be difficult for some people if they're too lazy to ascertain something without somebody's help. So, in other words, it's all up to you, you decide what to do. If you are smart enough go study at home, but if you have tons of money you can go wherever you want and study abroad.
In conclusion, despite lots of differrent sources of information some people still believe that this is necessary to live abroad. I wish people would change their minds and master their language for almost nothing on their own!