If you surf the Internet, you may find a topless movement initiated by American women. The starting point is simple. In hot weather, men go shirtless, but women don't. Men and women are equal, so some women also engage in such activities.
Your thinking is similar to the above, except that you deduced once in your dream what would happen if you were naked.
The part in the library shows that you are not interested in learning and think that it is just an antique used by teachers to embarrass students.
Later, I may have paid attention to volunteers, but I have a little memory.