there is something I'd love to throw into the ring during the cheating scene it looks as if she doesn't recognize her Husband at all, and after she shot him she also isn't looking at him that closely. If she noticed at the end when he's about to bite her then she would've been shocked she wasn't so either; she found out at a different time like when she is stunned when he bursts in, when she shoots him, or when she's throwing things or simply doesn't figure it out. Also, it doesn't seem like anyone notices he is a zombie but people are looking at him funny the cops might've tried to stop him because they thought a man was Drunk mid-day and only arrested him after they were assaulted. What I'm trying to say is when the wife learns, if at all, that its her husband puts a whole new light to the music video.