Yeaaahhh, he completely stayed back now, rolling back to his butt on the bed and wrapping bloody hands around his knees again, eyes closed a moment and pressing his nose into his knee. Damn it. Upset him so much that he doesn't even want him around. Doesn't want him near him. Why wouldn't he hate him?

How could he not hate him, he didn't get that. HE hated himself for this.

He rested his head on a knee and bounced it heard, frowning. "I think I killed someone...."

What, was that too vague? Oh look, short sentences. Make him understand?