We're sitting in the theater as it darkens. The trailers are about to start, and my palms get sweaty. I hope I'm ready for this. When the third trailer begins, I watch Jenny's face to gauge her reaction.

The first scene is a guy and girl walking in an open quad on a college campus, and we hear the narrator, "IT'S A GUY...AND A GIRL."

Then we see them at a baseball game cheering for the home team, and the narrator continues, "THEY'RE DESTINED FOR EACH OTHER, BUT DON'T KNOW IT."

In the next scene, they are sitting on the beach, watching the sunset. He puts his arm around her,...