Sounds like you have a very devoted wife. I'm sure she will be there for your when you come home with your knuckles all bloody. Your trainer will explain that. Just be careful . You will develope a safe routine as you get going.

You know how a dog will "perk up" when he hears a stranged noise? Well there is a very distinct sound when ones knuckles get zapped. Then everybody "perks up" and looks around to see who it was