Neville scrutinised her. "Okay, maybe that I can do. It might help you understand the other things. To start with, Riddle didn't kill Harry five years ago. Accept that as your new truth, process it, absorb it. Harry has spent the entire time since preparing himself to fight that Dark Bastard and beat him for good. He didn't come back sooner because he couldn't, but that's for him to explain, not me.