He understands and agrees that on this world is not the place for what can be a very heavy conversation. He would have had it if his brother desired it but he doubts much closure will come from the answers he seeks. But he is glad for now that they are going to save that for a later time.

"I have never blamed you. None of us were aware." At least not until the very end. He didn't even have such suspicions until everything started to unravel and the truth became more clear. He wishes things could have been different. There was over a decade of lost time and he takes his own blame for that even with the truth that has been revealed.

"You should not blame yourself." Because everyone knows that Xichen had no idea what was going on behind the scenes and the kind of manipulations that were occurring.