People assume that science is a very cold sort of profession, whereas writing novels is a warm and fuzzy intuitive thing. But in fact, they are not at all different.
My office has been one of the most scrupulous in the country with regard to the protection of individual rights. I've been on record for years in law journals and books as championing the rights of the individual against the oppressive power of the state.
All writers of fiction will at some point find themselves abandoning a piece of work - or find themselves putting it aside, as we gently say.