[Itachi may think this is an illusion aimed at him, meanwhile Sasuke thinks this is a trick aimed at unsettling him. It must have been done for a reason.]

[But he knows arguing back and forth like this wont achieve anything, not matter how much he feels like he wants to.]

An illusion like that would be pointless, I already know your secrets. I know, what really happened that night. And why. About our clan, the village elders, the fact that you should've killed me, but didn't. That's why you went through with it, right?