Well that would do it.

( She isn't without sympathy, but what good would her pity do him? )

If you're so sure you aren't chasing it, sweetie, why go looking into the gates of hell?

( But she doesn't really give him time to answer that. )

Maybe it wasn't an apocalypse, but I know all about fixed points, disordered timelines. When every choice you think you've made is part of someone else's plan. You'll go mad trying to stop it this way.