One wife in particular was especially flirty with him, and right in front of me. I didn't mind, of course. I know My Husband is sexy, so the women always go for him! She told him how boring her husband is and how much she likes European men etc etc.
So when we were at home later that night I pretended to be "Nicola" and had sex with My Husband as her. I repeated many of the things I could remember her saying over lunch and took them even further until My Husband orgasmed moaning "Nicola ... Nicola".