After planting a tree, it takes years for it to grow and bear fruits. If you get bored of any work, then nothing will happen.
If it has not happened till now, then do it again and again, it will definitely happen. Do not forget that every day you are becoming an expert in that subject. You cannot do something new every day. You cannot become an expert in every subject.
Whatever you are doing, you will definitely get its fruits some day. Do not leave it while doing it, keep doing it. It is possible that you may take some more time to do it. You will definitely get success one day.