<Sangwoo's originally lines(words): See!~ I told you that it will go well.
                                                 Baboya(Korean)~ Why are you crying in this such delightful day?~>
Sangwoo: See!~ I told you that it will go well.
Jiwoo: Yea...
Sangwoo:ㆍㆍㆍThen~I don't know.^^(his next lines of the script←SW forgot his lines.)
                                                               Laughing...
Jiwoo (in joking to Sangwoo): You Baboya~(Babo means fool in a good way, like a joke in Korea.
          Korean use this word very often between close friends.) Memorize!~ You Baboya~
                                                               Laughing...

Again cue sign.
Sangwoo: See!~ You did the right thing waiting in reliance on my words.
Jiwoo: Yea...
Sangwoo: You Baboya~ Cry! Just cry! Cry continuously to your heart's content.
               (It was not in the script. Sangwoo couldn't memorize his lines.
                You know that actor and actress have some that kind of day.)
                                                               Hahaha... Laughing...
Jiwoo hitting Sangwoo lightly.

Again cue sign from the director.
Their tears of delight is continued....^o^
Sangwoo: Baboya~ Why are you crying in this such delightful day?~
Jiwoo: Because I feel so delightful.
Sangwoo: Cry, cry more.
Jiwoo crying.(acting as Sangwoo's words.)
Sangwoo (in the back of his mind): Director! Please give us an O.K sign.~
                                                               Laughing...
Jiwoo and Sangwoo feeling awkward of no sign. (Sangwoo keeps holding Jiwoo's hand though...*^^*)
Jiwoo hitting Sangwoo lightly again.
Sangwoo: Ah! I feel a little bit awkward.^--^

P.S- Sorry for my poor translation. It was a little bit hard to translate into English.
       Just thought everyone wants to know about this scene...wonder what happened.
       Did my translation help you guys? Can you understand it? Hope so...
       Have a nice weekend and by the way I'm in a testing period. Wish me a luck!^ㅁ^