I've googled it and read pdf files of how prevalent it was for slave owner's wives to have sex with slave men. It went on quite a lot and you just know once they got bedded down they could not stop.
I've read articles where a slave owner's wife lived a life of loneliness and would often turn to slave men for affection. I imagine them being well endowed was a shock to the wives and kept them coming back to them.
I fantasize about my wife taking a hung black man all the time. I would so enjoy seeing a hung black man sliding his huge cock in my wife's pussy and it is not a secret between her and i