(It's not as though Cullen doesn't know. Hasn't thought about it. There's also no guarantee he stopped the lyrium in time to preserve his mind. And there's also no guarantee Corypheus won't destroy Thedas tomorrow, or some other eldritch nuisance too vain for sanity.

Cullen made his choice. And he doesn't regret it.)

"Only a handful of dwarves might object, really," Cullen muses.