!Excuse me, but I don't agree
These notes for short dialougue.
and they are so...these sentences used "informally" for daily quick responses mostly among friends just to make you sound that you're enabled of the language
When you describe yourself as native speaker, you should be speaking fluently about any subject.
But these notice you gave, for short dialougues.
agree with you...but these notes not to make you exact native speaker but to be like native even when you're a beginner as I've mentioned in my subject