It means that you want to be free from the pressure of life, or you want to overcome difficulties on your own. Just after pressing the downstairs button, you got on two different elevators, one was going up instead of down, and the other was going down to the third floor. At that time, you felt a little scared and uneasy, which showed that you were anxious that you could not display your ability, and at the same time, it also showed that you were not confident.