The doctor temporarily excused himself from his daughter and headed to the bathroom with confused thoughts and disturbed emotions, but before pushing the door, he checked the male sign on the wall next to him. Fortunately, the signs for male and female are clear and beyond doubt, unlike other cafes that place innovative signs such as a pipe for a male and a lipstick finger for a female. These are traditions, and even if they add some aesthetic value, they create confusion in matters in which it is not permissible to be mistaken. He is keen not to repeat a bitter experience. There were years ago when he opened the door to the harem session inadvertently, and that day he was exposed to what he wanted to do He forgets it, and does not accept to repeat it.