Hi, Tori. You can take your garbage home, use a garbage can at a convenience store, or use a garbage can at a station. There are several causes of frost in a refrigerator, but there is a gap in the door of a refrigerator and the water becomes frost. The refrigerator door is open for a long time, and time is frequent. To defrost, turn off the power and put a filter bowl into the refrigerator. It is efficient to defrost while melting it. You don't need a light for a private car during the day in Japan. This is regulated by law. However, a front light is mandatory for a motorcycle. If you violate it, you will be fined. The reason why the toilet and the shower are separated is because Japanese have a culture to take a bath. If there is a toilet, it gets in the way and it is unhygienic in terms of hygiene.