Nick says, "so he [gatsby] invented just the sort of jay gatsby that a seventeen-year- old boy would be likely to invent, and to this conception he was faithful to the end." for james gatz, what does

Nick says, "so he [gatsby] invented just the sort of jay gatsby that a seventeen-year- old boy would be likely to invent, and to this conception he was faithful to the end." for james gatz, what does he expect the future jay gatsby's life will be like? specifically, at night, what sets james' heart "in a constant, turbulent" riot?