Losing the purpose

I've been busy these days doing a lot of assignments. It is like a automated factory. When I thought I finished every assignments, I got new. I'm now like a machine. Doing same thing every week like a sheep. I am forced to move from this class to that class. and get assignments. So that the speed of time, I feel even faster. Same routine of work makes it faster.
And I realized that I've got to do other than that. about 20% of the day, I've got spend for what interest me. around April, I did this, because I wasn't that busy, in May, I tried to do this and did sometime, because it was getting harder, and now I even do not try. And I realized that Google's 20% rule is really nice principle. If you are too busy with the task, you will lose the purpose of the task, and in turn that will make your perspective narrower and fixed. Well, I spend 1 hour for learning English so that this is about 15%, that actually I did. but I've got to do other than English. about computer science not taught in school. Because people in English-speaking countries don't have to do English things. so that I've got to master English soon and get started to firstly catch up.