Moreover, when I speak to my parents, I can weave together English and Chinese to speak in the most efficient and accurate way. Those of you who have two native languages will probably understand what I mean. Some languages lack words to describe certain situations, and other languages are much more direct in describing them. Do we call this amalgamation of languages a third language, then?
I think there needs to be a distinction based on varying levels of fluency; I see it as a major contributing factor.