15 Lessons Movies Can Teach Us About Cheating

Lesson: Be very, very careful who you sleep with.

This movie doesn't glorify or endorse cheating. Instead, Fatal Attraction positions infidelity as something you later regret and just want to get past. Which is possible, unless the person you cheat with starts stalking you and exacting scary, scary revenge, which is exactly what happens to Dan (Michael Douglas) after his one-night stand with Alex (Glenn Close).