Just an expressiong myself Just expressing myself

I don't know really Wknow why I wanna learn eEnglish, maybe cozbecause it's a useful language, that we can learn anything, maybe coz i lot from, or maybe because I like aAmericain movies,. I don't know really know why I wanna learn English, maybe because it's a useful language that we can learn a lot from, or maybe because I like American movies.

In informal language "coz" is okay