Behind Guo Youcai's explosion, you must know six points! Behind Guo Youcai's explosion, you must know six points! Behind Guo Youcai's explosion, you must know six points! Behind Guo Youcai's explosion, you must know six points! Behind Guo Youcai's explosion, you must know six points! Behind Guo Youcai's explosion, you must know six points!