I think people enjoyed LA Law so much, because it was the first show that delved into current events through the prism of the law.
It is no good getting furious if you get stuck. What I do is keep thinking about the problem but work on something else. Sometimes it is years before I see the way forward. In the case of information loss and black holes, it was 29 years.
As I discovered music, especially Rock 'n Roll, new territory was opened to me. I was lured by the unbridled rhythm of this art form. It was like gasoline on the fire of my youthful spirit.