Since she had done this to him in the view of others, honor required any challenge from him be the same.
"Both the honor and future of the empire require action."
This was a thing his own honor required, as they knew.
My honor requires me to seek her out, to make an end of it.
But now the honor of the Prince requires that the effort be made.
But gratitude and honor required hard work as well.
Of course, should she be with child, his honor would require him to acknowledge it.
Such an honor requires us to do our best to grow them properly.
"Had I spoken when honor required, you would not have been in danger."
Still - this must be met; when a slave cries for mercy, honor requires an answer.