I don't think I've read a book from cover to cover in one sitting since I was a kid. But I nonetheless read most days, sometimes just a chapter at a time. You don't need to read a book in one day, or even one week.
When was the last time you broke up a single instance of sex into a dozen or so blocks over the course of a week? It doesn't matter that they don't need to be consecutive hours, it still takes hours, which means it can't be done nearly as frequently as something that takes seconds.
When was the last time you broke up a single instance of sex into a dozen or so blocks over the course of a week? It doesn't matter that they don't need to be consecutive hours, it still takes hours, which means it can't be done nearly as frequently as something that takes seconds.