How do you decide whether to devote two hours of your valuable time to going to the cinema? There’s a pretty good method here: The Dilbert Blog: Downer Ratio.
I think he needs to factor in the outrageous (about equal) admission and popcorn (etc) costs. The more awful the film, the more I resent paying for it and its edible accessories.
Of course there was a time when I went to the cinema at least once a week, didn’t have to fork out for popcorn, and didn’t mind if I saw a few duds. Now, however, when time is so precious, I need to key in my general preferences to Scott Adams’s general formula before my next vist to the movies.