15 Lessons Movies Can Teach Us About Cheating

Lesson: Affairs can lead to long-term love.

Rarely, an affair can bring two people together for the long term, as is the case with Johnny Cash (Joaquin Phoenix) and June Carter Cash (Reese Witherspoon), who start as lovers but remain married for the rest of their lives. The key is how you handle the situation: before Johnny and June inflict too much harm on their families, they realize they both need to stop screwing around and commit to each other.