I felt the same way a long time ago. Don't worry, it's normal. It won't be like this after you really understand the essence. . .
Sometimes it is not easy to plan, and people are always a little confused. Don't worry. . .
You can do more topics and accumulate some experience. If you do more topics and have feelings, it may not be like this. Also, you have to believe in yourself. First of all, you don't believe in yourself and have no self-confidence, so you always have a nervous heart when doing the purpose of the topic. How can you do the problem?