No, there is literally nothing on the business side that I wouldn't sacrifice in a heartbeat to have an extra couple of hours' writing. Nothing.
J. K. RowlingUltimately, we all have to decide for ourselves what constitutes failure, but the world is quite eager to give you a set of criteria if you let it.
J. K. RowlingThere was a horrible smell in the kitchen the next morning when Harry went in for breakfast. It seemed to be coming from a large metal tub in the sink. He went to have a look. The tub was full of what looked like dirty rags swimming in gray water. "What's this?" he asked Aunt Petunia. "Your new school uniform," she said. Harry looked in the bowl again. "Oh," he said, "I didn't realize it had to be so wet.
J. K. RowlingI will carry on writing, to be sure. But I don't know if I would want to publish again after Harry Potter.
J. K. Rowling