Structuring routines so that you can break them when you need to

I live my life under the constraint of so many interlocking goals and systems that I can't even keep track of them. For instance, every day I decide how many hours I am going to try to write on the next day (for today, the goal was 3). I also try to write at least 15 hours a week and at least 60 hours a month. In addition, I try to write something on ev…