3 days.

"I think I believe in something," Marui says arbitrarily. "Maybe not a Heaven, but something. I think people who live have an energy of some sort and that has to go somewhere. Maybe it goes into other people, people who keep on living while that person is gone."

"How?"

"In memories, and feelings, and words, and thoughts; and everything that person was and did and would have been. We remember the stuff that makes people people."

"That made no sense."

Marui blows a bubble; Niou pops it with his finger.