I think you got the best of the deal, written English as a second language is formal and precise.
Native speakers start off as babblling babies. some progress to becoming teens, and speak to watch adults cringe. In college they mostly speak like TV, and by the time they come into the work world, they are verbal cripples.
Your English is the English of books. My American upbringing has impaired my language skills.
If you mean native English speakers who say some of your expressions do not make sense, are British, well, we do not understand them.
I knew an Argentine, she spoke English well, but spoke of books and culture no one in New York ever heard of, and English translations of things her grandmother said, proverbs about the Gauchos and the Pampas just do not translate.
I think your avatar is hot! This is a fully sexist comment, I do not care about her brain.