Deciding to write a novel about something - as opposed to finding you are writing a novel around something - sounds to me like a good evocation of writer's block.
“My family would be supportive if I said I wanted to be a Martian, wear only banana skins, make love to ashtrays, and eat tree bark.”
“It's time to create an Economic Growth Code whose purpose is to fix and grow the economy, not redistribute massive amounts of wealth.”