do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not do not learn a language on your own.

a language is a means of communication. if you are not communicating you are not learning a language. if you're unlucky you're learning nothing, if you're lucky you're learning some bizarre process of encoding/decoding.