No matter difficulties you are facing in life or work, you must work harder to master it. When you do so, you will gain an opportunity that you didn't have before. People who give up on any thing for the first time, they will give up again. When you face a problem, you should smile. Without problems, life lose its taste. Struggling is a best course of learning. Problems teaches you lessons and thats why you find in life, as much a person struggled as much he is wise.