YouTube user beanyneilpudsey set up a fake marriage proposal after he discovered his girlfriend had been having an affair. Instead of maturely confronting her about the infidelity, he crafted a detailed revenge plan. He convinced his cheating girl that he was sending her on an amazing vacation — and he even hinted at a proposal! She actually thought she was getting engaged. His master plan: to dump her on video and blast it on YouTube.
Watch the fake proposal (it begins at about 13:40) if you want to see her cry a river. She may have cheated, but he is evil personified.