//if the person isn't leaved alone, decrease his scare value
 public void decreaseScareValueWhenLeaveAlone(PersonNode node)
 {
     node.getScareManager().decrease(random.Next(3, 6));
 }
 //if the person is leaved alone, increase his scare value between 1 - 3
 public void increaseScareValueWhenLeaveAlone(PersonNode node)
 {
     node.getScareManager().increase((int)(random.Next(3) * Config.SCARE_SPEED));
 }