There was a time when it was boring. I basically live alone, and I do everything alone. I was a little unaccustomed at first. After about two weeks, it gradually became natural. In fact, one can learn a lot in the library. Go to the library for a month, and then have a holiday. Go for a month every day and stay there for three hours every day. Basically, I go after dinner at night. I feel that this life is quite interesting.