15 Lessons Movies Can Teach Us About Cheating

Lesson: Having an affair might mean you need a change in life.

Pearl (Diane Lane) loves her husband and her family, but because she got pregnant and married as a teenager, she feels like she missed out on life. Her affair with "the blouse man" Walker Jerome (Viggo Mortensen, at peak hotness) allows her to imagine a completely different life for herself. But when Walker sees her with her family, they both realize it's just a fantasy. "I can't go to California with you," Pearl tells him. He replies simply: "I saw."