"You don't know what they're getting up to in the afterlife." Black humour is a fixture of the divine apocalypse - and he's pretty sure Patia would roll her eyes if he got offended. "Which would definitely be more your problem than mine, a mere mortal who can't cross planes on a whim."

Unless their souls simply ceased to be, which is always a possibility. But he always liked to think Patia's drifted into Ioun's domain, and it seems like Barbara's might too.