Sometimes I'll hear a phrase or a word and write it down in my little black notebook (a writer's best mate), then come back to it and work a plot around it.
“One of the main pitfalls of any theoretically 'niche' show is that you spend too much time on the 'niche' and not enough time on the 'show.'”
“It's always good to go against your friends, especially when you come out victorious.”