몇달동안 엄청 친하게 지내던 여자애가 있는데... 내가 너 좋아하는거 알지? 이랬는데 다음날 부터 다른 사람이 되었네요 어떻게 사람이 이렇게 바뀔수 있나요? 무슨 심리죠?