Good thing Oz didn't mention that, for Death was inevitable. Deep down, in a place that rarely saw the sight of day, Oscar was almost afraid of what that inevitability meant for himself-- would he maintain his individuality amongst the conglomerate of lifetimes and memories that composed Ozma's soul? Would he be lost in the void?

It was too great of a matter to even broach in idle conversation.

Intead, carefully:

"People are ill for weeks at a time when they return. I've heard, as they die again and again, they lose parts of themselves. Memories, senses... and that remaining in those empty spaces is nothing but pain that can last for months.

"And... ghosts get left behind where they die."