At every stage of writing a book, there is a sense of If only … If only I could find the time to write and if only I could figure out the third chapter and if only I could get my book finished. If only I could find an agent. If only some editor would buy my book. If only I could get a good publicist. If only the book would get reviewed. If only they would do more promotion. If only it would sell. It goes on like this forever, until you’re ready to start another book and kick off the cycle all over again.