def shift_down(self):
        choices = len(self.choices)
        if self.pos >= choices - 3:
            return
        else:
            self.choices[self.pos + 1], self.choices[self.pos] = self.choices[self.pos], self.choices[self.pos + 1]
            bullet.utils.clearLine()
            old_pos = self.pos
            self.pos += 1
            self.printBullet(old_pos)
            bullet.utils.moveCursorDown(1)
            bullet.utils.clearLine()
            self.printBullet(self.pos)