I don't think it's that weird. Reading is still work. It's a kind of work that often gives you more reward than you feel it takes away while doing it but I stil

I don't think it's that weird. Reading is still work. It's a kind of work that often gives you more reward than you feel it takes away while doing it but I still think it makes sense to talk about a kind of cost here. Because it affects how we relate to the activities we chose. Some books are immediately rewarding, like fiction, some are rewarding at multiple moments later in time, like fact books. (Not saying face books can't be rewarding in the moment as well though.) In game design this doesn't seem like a far fetched concept. You often talk about grindy games for example. Also, how else do you explain why we tend to buy books and then not read them? Maybe for books the cost is often the initial cost before you get into it enough to enjoy it?