Forces his wife to watch him using their daughter

Just as John is about to leave John gets an idea*snap * his dad now grabs him by the throat and leads him into the living room. Then he calls for your daughter.

When she comes down dad shows her an image of what looks extremely real. The photo shows John mom bouncing on her daughters boyfriends dick. John fakes a pleading mother that the girl in the picture isn't her. But John dad and sister look at John in disgust