In your dream, the building is the destination, and the elevator is the tool to send people to the destination; Taking the elevator is a process to a certain goal. In your dream, you can't reach the floor you want to go to in the elevator, which may mean that in reality, you feel that your goal has never been achieved. The reason may be objective (the elevator seems to be broken in your dream) or subjective (you have to adjust your goal according to the situation), and others can go to your own floor, which shows that you see that everyone around you has a goal and is achieving it. Even if you are fat, you have no higher goal, but it is clear. The person you are chasing in your dream is actually caused by depression in your life. The subconscious mind is also reminding you that if your mind is pure, you will be fine, that is, you should get rid of all kinds of distractions and concentrate on making progress. I believe you will reach your goal as soon as possible!