Ultimately, Dayton and Faris said, they're not much unlike Calvin, who tries to control Ruby. But like Calvin discovered, some things are simply out of your control -- which served as a nice reminder for the directors in between the times they called "action" and "cut."

"Control issues are big for directors," Faris said, laughing. "In some ways you're controlling what's happening on a film, but you're not doing any of it. We relate to the whole control issue, but you ultimately just can't. You have to step back and make things happen, and respect what each person brings to the process, just like the way each person brings something to a relationship in real life."