The Huffington Post – – Steve Kaufmann 
The quick answer on how to achieve fluency in a language is that it is a matter of motivation. Having seen a lot of language learners, I am convinced that motivated learners achieve fluency, and unmotivated learners don’t. Motivation is the driver of success in language learning; the magic ingredient in any learner’s quest for fluency. The TED video by Scott Geller, “The Psychology of Self-Motivation” is highly relevant to the pursuit of fluency in a foreign language. In particular, the three questions that are asked in the video.(more)