When I met my wife-to-be, she soon discovered that I had played around with my step-sister when we were teenagers. At first, I was terrified she would disapprove. But luckily she found it amusing and wanted to know all of the details. Thereafter, whenever the chance arose, my wife always made sure I got to see them together and asked which of the two of them I preferred. I even got to fondle my step-sister and wife after my wife suggested they compared their bodies in front of me. She has written me some very provocative stories about the two of them. I am very lucky to have such a beautiful, sexy and understanding wife.