When I am thickening my plots, I like to think 'What if ... What if ... ' Thus my imagination can move from the likely, which everyone can think of, to the unlikely-but-possible, my preferred plot.
Patricia HighsmithThey were not friends. They didn't know each other. It struck Tom like a horrible truth, true for all time, true for the people he had known in the past and for those he would know in the future: each had stood and would stand before him, and he would know time and time again that he would never know them, and the worst was that there would always be the illusion, for a time, that he did know them, and that he and they were completely in harmony and alike. For an instant the wordless shock of his realization seemed more than he could bear.
Patricia HighsmithBut there were too many points at which the other self could invade the self he wanted to preserve, and there were too many forms of invasion: certain words, sounds, lights, actions his hands or feet performed, and if he did nothing at all, heard and saw nothing, the shouting of some triumphant inner voice that shocked him and cowed him.
Patricia Highsmith