[Maybe he was here for some purpose - maybe he even had something important to do. Maybe. We'll never know now, because the moment he steps into the shrine room and sees Shinji, all his other thought processes shut down. Because that's Shinji. He's right there. Dead, obviously, but here, and that's all that matters.

He wastes no time in slinging an arm around Shinji's shoulders, dumb grin plastered across his face.]

You finally died! I was waiting.