Nanites change my girth at will

Nanites change my girth at will

I buy nanites to be able to change my body to anything I like. I know my wife has been with much thicker lovers. And i know how thin mine is. So I use the nanites to make my cock thicker. She’s in heaven and is saying such slutty things while I’m inside of her. But after I’ve stretched her beyond belief, I just have to know how she feels with my regular thin dick. I shrink it mid thrust. She asks where I went and says to go back inside her because she can’t feel me. Thats when I tell her I am inside her. She looks puzzled and I tell her about the nanites. She asks why and I tell her so she can feel a thick cock again. Then she asks why I went back to my regular thin size and I tell her to feel how much I don’t stretch her out and how insignificant my skinny dick is inside her she’s had a real cock. She sees how much I’m turned on by it and rolls with the scene.