Breakin' All the Rules (2004) - Synopsis
Jamie Foxx stars in Breakin’ All the Rules, a film about a man who, after being unceremoniously dumped by his fiancée, pens a "how to" book on breaking up and becomes a best-selling author on the subject. Not wanting his male friends to suffer the same fate, he gives them advice on dumping their mates. What ensues is a hilarious comedy of errors. Morris Chestnut and Gabrielle Union co-star.