"If you mix them up, then you won't know whose is who's," Sparhawk shrugged.
"If that happens, you might accidentally use my money, and then you'd have to pay me back. You don't want to owe people favors. That's what Old Man Dal says. He says it's good to have people owe you favors, but bad to owe people favors. We can go see him later today. If we go later in the day and work until it's dark, he might let us eat dinner, too."