He sat down to write a story where all the evil characters drank tea and all the good characters drank coffee. But the words would not come. He tried interchanging the drinks. Now the good guys would drink tea. It did not help. He became distracted by the fact that his shoe laces were loose. As he bent down to tie them, he wondered, "what would the world be like if the speed of light were three times as fast as what it is now?". He imagined he was starting to go slightly insane, with all his attempts to unify quantum mechanics and relativity on a daily basis.