Baek Yeo-ju: Jun-hwi~~
Moon Jun-hwi: Yeoju!
Baek Yeo-ju: What day is it today?
Moon Jun-hwi: Um... I don't know
Baek Yeo-ju: Hey, don't lie!
Moon Jun-hwi: Ah! It's my birthday?
Baek Yeo-ju: And..!
Moon Jun-hwi: I don't know
Baek Yeo-ju: Yeah.. yeah? I hate that kind of thing lol
Moon Jun-hwi: Ah, I don't know what it is, so just tell me.
Baek Yeo-ju: Today is our 200th day...
Moon Jun-hwi: It's already been 200 days
Baek Yeo-ju: You didn't know..?
Moon Jun-hwi: Why do I need to know 200 days?
Baek Yeo-ju: No... We've been dating for 200 days.
Moon Jun-hwi: So what do you want me to do?
Baek Yeo-ju: ....
Moon Jun-hwi:Baek Yeo-ju , I loved you, I don't love you
It's just past tense, not present progressive tense