Later, one afternoon, Gu Zikai and Song Chongjin found an empty room to play chess. Half revealing, half concealing, Gu Zikai subtly apologized to Song Chongjin, saying he had misunderstood Song Chongjin's family recently, and vaguely mentioned the troubles of his own family.
This could be considered an explanation for why he had been guarded against Song Chongjin's family.
Song Chongjin understood clearly, hadn't he also suffered from such misunderstandings? Although not entirely convinced, he believed about seventy to eighty percent of it.
After this candid conversation, their relationship grew closer, and they began addressing each other as virtuous brothers.
Gu Zikai did not hold back, sharing news from the Capital City, as well as various strategies and essays from other scholars, with Song Chongjin.
