I personally started using the men's room when I started getting confused and frightened looks in the women's room, even though I was petrified to start going into the men's room.
저는 여자화장실에서 사람들이 저를 보고 당황하고 겁을 먹었을 때부터 남자화장실을 사용했습니다. 제자신은 남자화장실을 가는 게 무서웠지만요.