[His lip curls in an irritated sneer. There's an ugly, possessive part of him that hates the idea that anyone else might try to kill Ren -- worse, that they'd succeed. It's fucked up that the idea that only he can kill Ren is so persistent, even now.]

Making excuses doesn't erase the trauma, [he points out, trying to restrain that ugliness with limited success. His nose curls in distaste as he shakes his head.] Nor does it excuse my actions. Honestly, how many times am I going to have to try to kill you before you get that through your thick head?