As the demon's blade causes my character to drop dead for the tenth time this evening, I bang the corner of my desk with my fist. "God-fucking-damn it. I'm done." "It's just a game, dear," says Hannah from the sofa in our bedroom. She's got my mum's accent and intonation down to a tee. I put down my controller with exaggerated calmness and swivel the office chair around. "What you reading?" I ask. "Why Your Boyfriend Suck...