She doesn't appear to be lying, and that makes him a feel a bit better at least. He hums in thought for a moment. "It sounds a lot like alchemy, only with alchemy the changes are permanent. If a soul is bound to something, they can't willingly leave it or they'll..." He hesitates just a moment. "Well, they'll die."

He's starting to get the feeling that the white things are trying to surround them. They shouldn't be stand still for very long, so he turns and faces the entrance of the store. "Come on, lets get inside and see if we can do something about earning money." He picks up that childish, nervous chuckle. "Besides, it's probably warmer in there!"