And Marina spotted her fiancé, Alexander, on the map . . . with his arms around another woman. She confronted him, and he admitted he'd been cheating on her. He apologized and swore it didn't mean anything . . . but Marina had already made up her mind that she was dumping him. Marina says, quote, "At first I regretted searching for that address on the Internet, but eventually realized that it was silly to blame the Web for my boyfriend's unfaithfulness."