Englsih in general-Normal English vs Advanced English

Englsih in general-Normal English vs Advanced English

Normal English vs Advanced English
I feel sad. I feel blue.
My mistake. My bad.
I'll pay the bill. It's on me.
I made a mistake. I screwed up.
I understand you. I feel you.
I have no money. I'm broke.
I like you. I'm into you.
I'm very tired. I'm beat.
Text me. Hit me up.