How to face and understand the ups and downs of life?

The ups and downs of life may come from lack of ability and want more. There is a huge gap between what you want and what you actually get, which is the bumpy road you have come along. Some ups and downs are man-made. As long as we control human factors, we can make progress. As long as you study hard and conquer this technology, you can get updated progress and improve your personal ability. You have to believe in yourself to have a future.