K: I worked hard again today.
A: Oh, good job! Are you tired?
K: Yes, a little bit. But I’m okay.
A: Haven’t you been drinking alcohol lately?
K: Yes, I decided not to drink alcohol on weekdays.
A: Oh, why don’t you drink alcohol on weekdays?
K: Of course, I don’t drink alcohol to stay healthy.
A: Oh, that’s right!
on weekdays：日時にはon
lately:latelyは文章の最後に