If someone slandered you, you had two options.

The first option, you could find out the evidence, argue with him and vindicate yourself.

If the other side still didn't believe you and continued to slander you, you had the second option.

That was, you shut him up forever so that he could no longer slander you.

Ye Xuan went for the first one.

However, the other side still didn't believe him.

Therefore, he went ...