[A sigh, though it's not an unkind one. For Sanji, this isn't exactly a matter of trust - more a matter of bringing his point across. And maybe a way of being fair. If he can't hold himself at a distance because of what he unrightly saw, at least Richard deserves to know the reason why]

A "sorry" wouldn't erase your memories, either. But now that I know what happened... You understand why I won't pretend I don't know what you're doing to yourself, either.