How to become a polyglot

Some useful tips.

How to deal with "Wanderlust":
http://how-to-learn-any-language.com/e/guide/language-wanderlust.html

When to move on for the next language:
http://how-to-learn-any-language.com/e/guide/learning-two-languages-at-the-same-time.html

Fluency rating:
http://how-to-learn-any-language.com/e/guide/rate-your-foreign-language-fluency.html