선수들이 마주칠 때마다 눈치를 보는 것도 있고 제가 '철수야' 부르면 화들짝 놀라기도 하고 그런 게 굉장히 좀 힘들죠. 힘들었어요.
There are some things that the players notice every time they encounter each other, and when I call Chul-soo, they are very surprised. It was very hard.