So, you know how the water cycle works, right? How it just get re-used? So, what if scientists found out that they could bottle up water from people and that water, depending on who its's from, would effect you. So, say the water is collected from someone smart, you would get smarter! In this society the newly found special water costs a lot of money and its the new craze. I haven't figured it all out but there's a idea.