Taking it for granted..

Is that so?

Scene 1
Guy: If you're tired, let me know.. just go n zzz... dun try to keep yourself awake
Girl: Dun worry, if i wanna zzz i will just tell you..
Guy: OK

Scene 2
Girl: I'm very tired today, wanna zzz liao..
Guy: Oh Ok......
.
.
. (Intermittent slow replies)
.
.
Girl: Nvm, you go do your things. I buay tahan already.
Guy: Oops, sorry. I didn't know you were THAT tired.

HAh