As a director, you can't stop a guy if he thinks something's...

As a director, you can't stop a guy if he thinks something's hysterical, because if you do, then he'll get depressed because he thinks he didn't come up with a good joke. So if a guy's going on some run and it's killing him, and he thinks it's hilarious, you gotta do enough so that he thinks you can use it in the movie.