The reason Rushou answered Si Ren's questions in detail was not because the content was unimportant. On the contrary, the matters involved were practically the core secrets of the Heavenly Dao.
However, since Si Ren had already stated the conclusion, it meant he already knew it. Therefore, for Rushou to fill in the process for Si Ren did not count as violating the rules established by the Heavenly Dao.
After all, this answer was not spoken aloud by Rushou himself, so it could not be considered a betrayal of the Heavenly Dao.
Chapter 1514