"I do trust you." is voice said this was plain and simple fact, because it was. It just didn't stop him from worrying, getting paranoid or doubting himself. That was all. However, Ritsuka's next request did not sit well with Soubi.
"No. I don't need to as why." Having Ritsuka get hurt could never prove a thing or help a situation. Perhaps in a Spell Battle situation there would be call to ease on defence for a moment, but nothing like that seemed likely to happen here.

Ritsuka seemed to fit perfectly into Soubi, or perhaps that was just the older man's fancy. Either way, it felt wonderful. They belonged like this, surely? There could be no room for doubt. Ritsuka knew Soubi's shameful secret now, the fact that he was blank, a spare. Someday he'd understand he hand to make him mark on Soubi to bond them together completely. Just like Seimei had.

"I'll be there, I promise."