> Comic books can be collected and read all over again. They don't magically disappear once read. Same with books: I've recently started my annual re-read of LOTR, that book has cost me hundreds of hours of my lifetime. Someone should be able to sue the Tolkien estate.

There is still a defined end state that encourage a break from consumption. How often do you finish a book and then immeadiately start reading from page 1 again.