Hikari laughed."I know what they are! everyone knows what those are.fire is our only source of heat or light.it's how we cook.how did you think we made fire?" she asked,only a little insulted that he seemed to think she was that simple."you know,if you treat people like they're not as smart as you,you'll be killed off pretty quick.people don't like the implication that they're stupid...even if they are."