C62

At night, Ding Ning killed Chou Qiudao because Chou Qiudao already had the intent to kill Ding Ning. If Ding Ning did not kill Chou Qiudao, Chou Qiudao would also kill Ding Ning, so he had no choice but to do so!

But fighting against Chou Qiudao, Ding Ning was confident that he would be able to kill Chou Qiudao, and he was thirty to fifty percent confident that he would be able to do so. But