when Kim shin seems su yun he cried

su yun :- what happened boss
Kim shin nothing
su Yun :- ok boss
after 5,6 days
su yun enter the Cafe

su yun :- good morning boss
Kim shin :- morning
su yun : had breakfast boss
Kim shin: yes what about you
su yun : no boss not yet
Kim shin : first go and eat
su yun : ok boss
...