Some people say that happiness is the best revenge. While that might be the mature mindset, it has never been the most immediately gratifying. Especially where dramatic breakups are concerned. Just think about that classic Carrie Underwood banger, ‘Before He Cheats.’ The country pop tune is an anthem for scorned women seeking revenge. You can't help but feel pleased that she dug her key into the side of his pretty little souped-up four-wheel drive, and carved her name into his leather seats. Th…