Lin was your enemy since High school and after you graduated, You become an employee and when you knock in the CEO office

and went inside you walk towards him and when your about to hand the papers to him you were shock when you realized that the CEO was your enemy and you said

"okay... This is unexpected..... I'm just gonna QUIT"

while you're about to leave he said

why are you gonna quit just because you saw your enemy?...

his tone sound like his teasing you